<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:c5a7c7e4-cb7a-4a6d-9f47-bcd8cfaa3190,g:5cc6f9ca-0810-4c5e-85e9-5e8e4100c019-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.macerich.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="mac-20250331.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_c4b3e862-5977-4ad3-ade8-4f3fafed051a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_2d8dda2c-398f-46ab-989a-798f8be91dd4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_c4b3e862-5977-4ad3-ade8-4f3fafed051a" xlink:to="loc_us-gaap_StatementTable_2d8dda2c-398f-46ab-989a-798f8be91dd4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c1111949-9479-47ce-9849-9e2473ce292e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2d8dda2c-398f-46ab-989a-798f8be91dd4" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c1111949-9479-47ce-9849-9e2473ce292e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_c1111949-9479-47ce-9849-9e2473ce292e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c1111949-9479-47ce-9849-9e2473ce292e" xlink:to="loc_us-gaap_RelatedPartyDomain_c1111949-9479-47ce-9849-9e2473ce292e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_2f35d095-5506-49e5-8cc5-497b437e05c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c1111949-9479-47ce-9849-9e2473ce292e" xlink:to="loc_us-gaap_RelatedPartyDomain_2f35d095-5506-49e5-8cc5-497b437e05c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_8f702ef4-460a-4696-b645-799d04f3e806" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_2f35d095-5506-49e5-8cc5-497b437e05c0" xlink:to="loc_us-gaap_RelatedPartyMember_8f702ef4-460a-4696-b645-799d04f3e806" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_c4b3e862-5977-4ad3-ade8-4f3fafed051a" xlink:to="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_382d6b2b-ad98-43b2-afbf-7069b838b2d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_382d6b2b-ad98-43b2-afbf-7069b838b2d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f55eaab3-db50-4765-b0cc-51c425ba0c77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f55eaab3-db50-4765-b0cc-51c425ba0c77" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_4913eede-eda5-4afa-ae3c-31865c415992" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_RestrictedCashCurrent_4913eede-eda5-4afa-ae3c-31865c415992" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsAndNotesReceivableNet_4ac94afc-f957-4782-ab62-571665223984" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsAndNotesReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_AccountsAndNotesReceivableNet_4ac94afc-f957-4782-ab62-571665223984" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_03ba2d74-53ff-4f26-9fda-52265afcc763" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_03ba2d74-53ff-4f26-9fda-52265afcc763" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCostsAndOtherAssets_291fdc88-ce88-4544-a565-3618f9ba0717" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredCostsAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_DeferredCostsAndOtherAssets_291fdc88-ce88-4544-a565-3618f9ba0717" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivables_7b8dccb1-001c-4a8a-8b41-8e76072e931a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_OtherReceivables_7b8dccb1-001c-4a8a-8b41-8e76072e931a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_c0d59445-2229-4c51-a654-686ab390f6b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_EquityMethodInvestments_c0d59445-2229-4c51-a654-686ab390f6b6" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_b0199e68-26f7-4108-884f-f496eb453c29" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_84e4c419-d1b8-4924-a3da-bf5b93d12308" xlink:to="loc_us-gaap_Assets_b0199e68-26f7-4108-884f-f496eb453c29" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_c4b3e862-5977-4ad3-ade8-4f3fafed051a" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebt_64bc0dcc-941d-43e0-b7e5-e66f1fdd09d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_us-gaap_SecuredDebt_64bc0dcc-941d-43e0-b7e5-e66f1fdd09d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayable_f9b2b005-3c4f-4ecb-9732-2757dcaa6b15" xlink:href="mac-20250331.xsd#mac_ConvertibleDebtLineOfCreditAndOtherNotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayable_f9b2b005-3c4f-4ecb-9732-2757dcaa6b15" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_70e0723b-44fa-4095-a6d9-ae0ab3d6e075" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_70e0723b-44fa-4095-a6d9-ae0ab3d6e075" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_OperatingAndFinanceLeaseLiability_9b4e34e3-c668-40bf-b6f1-5deaeedc8ac2" xlink:href="mac-20250331.xsd#mac_OperatingAndFinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_mac_OperatingAndFinanceLeaseLiability_9b4e34e3-c668-40bf-b6f1-5deaeedc8ac2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent_a90c517f-73b1-4704-b86d-6a6b1814a3d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent_a90c517f-73b1-4704-b86d-6a6b1814a3d6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_InvestmentsInUnconsolidatedJointVentures_f62351f7-877b-4ce6-abd1-0ca9d09b86e7" xlink:href="mac-20250331.xsd#mac_InvestmentsInUnconsolidatedJointVentures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_mac_InvestmentsInUnconsolidatedJointVentures_f62351f7-877b-4ce6-abd1-0ca9d09b86e7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_3a537ee3-bed8-462d-8502-fe34540d1b75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_us-gaap_Liabilities_3a537ee3-bed8-462d-8502-fe34540d1b75" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_2a4049ec-391d-431d-ab85-692c5adc6239" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_us-gaap_CommitmentsAndContingencies_2a4049ec-391d-431d-ab85-692c5adc6239" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_237a817a-c4e5-4722-b618-ed78d9eb311e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_237a817a-c4e5-4722-b618-ed78d9eb311e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_eab42df7-df52-48ae-a981-a71231e66d44" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_237a817a-c4e5-4722-b618-ed78d9eb311e" xlink:to="loc_us-gaap_StockholdersEquityAbstract_eab42df7-df52-48ae-a981-a71231e66d44" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_f95d9564-0a00-4160-b905-3a3b47504f10" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_eab42df7-df52-48ae-a981-a71231e66d44" xlink:to="loc_us-gaap_CommonStockValue_f95d9564-0a00-4160-b905-3a3b47504f10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_a7d568cc-8c58-4ac6-ba72-18ed96e9cffe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_eab42df7-df52-48ae-a981-a71231e66d44" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_a7d568cc-8c58-4ac6-ba72-18ed96e9cffe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f9905d5d-b8bd-46ee-8a33-d6cff91a8bbd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_eab42df7-df52-48ae-a981-a71231e66d44" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f9905d5d-b8bd-46ee-8a33-d6cff91a8bbd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_77e9741a-c53d-45e6-9e3d-9432adee5466" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_eab42df7-df52-48ae-a981-a71231e66d44" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_77e9741a-c53d-45e6-9e3d-9432adee5466" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_9cf146ed-dfcf-4daf-8106-8001c97b8098" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_eab42df7-df52-48ae-a981-a71231e66d44" xlink:to="loc_us-gaap_StockholdersEquity_9cf146ed-dfcf-4daf-8106-8001c97b8098" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_401cb3d9-753e-4a82-8066-b3b8bc127a4f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_237a817a-c4e5-4722-b618-ed78d9eb311e" xlink:to="loc_us-gaap_MinorityInterest_401cb3d9-753e-4a82-8066-b3b8bc127a4f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_16e85d3c-82d4-46ff-89da-d7535a28a286" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_237a817a-c4e5-4722-b618-ed78d9eb311e" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_16e85d3c-82d4-46ff-89da-d7535a28a286" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_46f79104-7053-4850-820c-0353f4214bef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_551ebba2-987f-4a5c-9b50-2fbec1cbc9e1" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_46f79104-7053-4850-820c-0353f4214bef" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="mac-20250331.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_6e996ca9-c94c-4770-8f8e-3331429cb254" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_StatementTable_6e996ca9-c94c-4770-8f8e-3331429cb254" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_28505b38-a28a-4259-b352-5cd6ace7f4db" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_6e996ca9-c94c-4770-8f8e-3331429cb254" xlink:to="loc_srt_ProductOrServiceAxis_28505b38-a28a-4259-b352-5cd6ace7f4db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_28505b38-a28a-4259-b352-5cd6ace7f4db_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_28505b38-a28a-4259-b352-5cd6ace7f4db" xlink:to="loc_srt_ProductsAndServicesDomain_28505b38-a28a-4259-b352-5cd6ace7f4db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_a1cc2d64-961c-4c72-849b-0671a685a07c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_28505b38-a28a-4259-b352-5cd6ace7f4db" xlink:to="loc_srt_ProductsAndServicesDomain_a1cc2d64-961c-4c72-849b-0671a685a07c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateOtherMember_6354ff03-3af5-4bb6-8335-368a405b313d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_a1cc2d64-961c-4c72-849b-0671a685a07c" xlink:to="loc_us-gaap_RealEstateOtherMember_6354ff03-3af5-4bb6-8335-368a405b313d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManagementServiceMember_302cf2ce-b867-4d26-b0b1-407c05b4de55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ManagementServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_a1cc2d64-961c-4c72-849b-0671a685a07c" xlink:to="loc_us-gaap_ManagementServiceMember_302cf2ce-b867-4d26-b0b1-407c05b4de55" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateMember_1d89d07f-d6db-4faf-a5b7-339cc4ef0a76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_a1cc2d64-961c-4c72-849b-0671a685a07c" xlink:to="loc_us-gaap_RealEstateMember_1d89d07f-d6db-4faf-a5b7-339cc4ef0a76" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9ae2440d-428d-4030-8117-f43eb36c5540" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_6e996ca9-c94c-4770-8f8e-3331429cb254" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9ae2440d-428d-4030-8117-f43eb36c5540" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_9ae2440d-428d-4030-8117-f43eb36c5540_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9ae2440d-428d-4030-8117-f43eb36c5540" xlink:to="loc_us-gaap_RelatedPartyDomain_9ae2440d-428d-4030-8117-f43eb36c5540_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_7bb65a79-0b52-4063-9418-f5104ec9e808" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9ae2440d-428d-4030-8117-f43eb36c5540" xlink:to="loc_us-gaap_RelatedPartyDomain_7bb65a79-0b52-4063-9418-f5104ec9e808" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_540fa1a6-975b-43dd-a01f-143530559ee5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_7bb65a79-0b52-4063-9418-f5104ec9e808" xlink:to="loc_us-gaap_RelatedPartyMember_540fa1a6-975b-43dd-a01f-143530559ee5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrelatedPartyMember_a4a16f49-1151-4902-b4ab-e585c3d708ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonrelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_7bb65a79-0b52-4063-9418-f5104ec9e808" xlink:to="loc_us-gaap_NonrelatedPartyMember_a4a16f49-1151-4902-b4ab-e585c3d708ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_f85c1182-532e-4cd1-adf9-4224e327f6b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_RevenuesAbstract_f85c1182-532e-4cd1-adf9-4224e327f6b8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_d1c43660-e3b6-461e-b3d1-dce661e4d535" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_f85c1182-532e-4cd1-adf9-4224e327f6b8" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_d1c43660-e3b6-461e-b3d1-dce661e4d535" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_cd1292c1-3fce-4cd7-8545-87b92307b067" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_f85c1182-532e-4cd1-adf9-4224e327f6b8" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_cd1292c1-3fce-4cd7-8545-87b92307b067" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_aa75711c-ee12-49c5-99d7-8fd72135f435" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_f85c1182-532e-4cd1-adf9-4224e327f6b8" xlink:to="loc_us-gaap_Revenues_aa75711c-ee12-49c5-99d7-8fd72135f435" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_5b280c7c-981f-4bf5-9a7e-ae97a926a214" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_5b280c7c-981f-4bf5-9a7e-ae97a926a214" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_bdfd22a3-aa6f-44a4-b0ef-6d990038b0ae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_5b280c7c-981f-4bf5-9a7e-ae97a926a214" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_bdfd22a3-aa6f-44a4-b0ef-6d990038b0ae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseInitialDirectCostExpenseOverTerm_6c48e9cc-378a-41ed-9754-a37ebdeecd69" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseInitialDirectCostExpenseOverTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_5b280c7c-981f-4bf5-9a7e-ae97a926a214" xlink:to="loc_us-gaap_OperatingLeaseInitialDirectCostExpenseOverTerm_6c48e9cc-378a-41ed-9754-a37ebdeecd69" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_66a2bfb4-605f-4c4b-bc0d-ea0063f62f36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_5b280c7c-981f-4bf5-9a7e-ae97a926a214" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_66a2bfb4-605f-4c4b-bc0d-ea0063f62f36" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_8b383d8a-259f-43c6-8fe9-d9b4ecfeed1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_5b280c7c-981f-4bf5-9a7e-ae97a926a214" xlink:to="loc_us-gaap_DepreciationAndAmortization_8b383d8a-259f-43c6-8fe9-d9b4ecfeed1d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_CostsAndExpensesBeforeInterest_b721b354-8aea-49ef-ab8c-cb06e92d58cd" xlink:href="mac-20250331.xsd#mac_CostsAndExpensesBeforeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_5b280c7c-981f-4bf5-9a7e-ae97a926a214" xlink:to="loc_mac_CostsAndExpensesBeforeInterest_b721b354-8aea-49ef-ab8c-cb06e92d58cd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseAbstract_bb155543-c164-44ec-a907-b272e23d3368" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_InterestExpenseAbstract_bb155543-c164-44ec-a907-b272e23d3368" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_77cbdfb5-93a6-401a-8542-f39d897118d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestExpenseAbstract_bb155543-c164-44ec-a907-b272e23d3368" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_77cbdfb5-93a6-401a-8542-f39d897118d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_a8989aa0-f5f8-4d97-a1eb-73d3a9b1a1eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_CostsAndExpenses_a8989aa0-f5f8-4d97-a1eb-73d3a9b1a1eb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_c3610330-141e-4415-b184-b5eacbe84405" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_c3610330-141e-4415-b184-b5eacbe84405" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_e3873148-d480-458b-8f47-d707f0604311" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_e3873148-d480-458b-8f47-d707f0604311" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_c3b9af35-e277-4ac8-9c49-088ad3da412c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_c3b9af35-e277-4ac8-9c49-088ad3da412c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_3264784e-2e3f-433d-a815-a571fc2c2358" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_ProfitLoss_3264784e-2e3f-433d-a815-a571fc2c2358" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3469d19b-c058-4f87-a213-38e6f70db473" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3469d19b-c058-4f87-a213-38e6f70db473" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_97671dda-d7a7-4699-9d09-4d54bdf89bfa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_NetIncomeLoss_97671dda-d7a7-4699-9d09-4d54bdf89bfa" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_05dc6ffa-b5b0-4161-8145-def7c747dc0d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_EarningsPerShareAbstract_05dc6ffa-b5b0-4161-8145-def7c747dc0d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_db185233-3d55-4b95-8e97-3831c648ea72" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_05dc6ffa-b5b0-4161-8145-def7c747dc0d" xlink:to="loc_us-gaap_EarningsPerShareBasic_db185233-3d55-4b95-8e97-3831c648ea72" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_a0264468-9667-4fc6-906a-32f417fa8e33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_05dc6ffa-b5b0-4161-8145-def7c747dc0d" xlink:to="loc_us-gaap_EarningsPerShareDiluted_a0264468-9667-4fc6-906a-32f417fa8e33" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_a72a6f7c-31f7-42d0-bcf9-98adbb989205" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_14f2d866-155c-434d-86fb-df047cb1ed06" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_a72a6f7c-31f7-42d0-bcf9-98adbb989205" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3f57592b-e538-471e-a465-007e5b57af9a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_a72a6f7c-31f7-42d0-bcf9-98adbb989205" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3f57592b-e538-471e-a465-007e5b57af9a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_64ae26c8-456c-4bf0-b992-e3766318f847" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_a72a6f7c-31f7-42d0-bcf9-98adbb989205" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_64ae26c8-456c-4bf0-b992-e3766318f847" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/CONSOLIDATEDSTATEMENTSOFEQUITY" xlink:type="simple" xlink:href="mac-20250331.xsd#CONSOLIDATEDSTATEMENTSOFEQUITY"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/CONSOLIDATEDSTATEMENTSOFEQUITY" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_7ceaba16-4ae8-411b-a736-0f487362e118" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_1bd53624-1f6f-4d82-abbd-108aed535b62" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_7ceaba16-4ae8-411b-a736-0f487362e118" xlink:to="loc_us-gaap_StatementTable_1bd53624-1f6f-4d82-abbd-108aed535b62" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_74e1ac03-d113-40e9-a3d9-41203871cca7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1bd53624-1f6f-4d82-abbd-108aed535b62" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_74e1ac03-d113-40e9-a3d9-41203871cca7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_74e1ac03-d113-40e9-a3d9-41203871cca7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_74e1ac03-d113-40e9-a3d9-41203871cca7" xlink:to="loc_us-gaap_EquityComponentDomain_74e1ac03-d113-40e9-a3d9-41203871cca7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_ccef3e84-5512-43cf-a44a-e28ae152401b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_74e1ac03-d113-40e9-a3d9-41203871cca7" xlink:to="loc_us-gaap_EquityComponentDomain_ccef3e84-5512-43cf-a44a-e28ae152401b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_fc9abf84-3311-4807-a911-31f68e2bae63" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ccef3e84-5512-43cf-a44a-e28ae152401b" xlink:to="loc_us-gaap_ParentMember_fc9abf84-3311-4807-a911-31f68e2bae63" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_bfc1f646-12f8-4c24-be1c-de2f8cfdbe5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_fc9abf84-3311-4807-a911-31f68e2bae63" xlink:to="loc_us-gaap_CommonStockMember_bfc1f646-12f8-4c24-be1c-de2f8cfdbe5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_14eabd17-b8c4-43b4-b0c4-86aaf20dcfd3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_fc9abf84-3311-4807-a911-31f68e2bae63" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_14eabd17-b8c4-43b4-b0c4-86aaf20dcfd3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_8853c456-3347-4108-b8b2-c8a4712952e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_fc9abf84-3311-4807-a911-31f68e2bae63" xlink:to="loc_us-gaap_RetainedEarningsMember_8853c456-3347-4108-b8b2-c8a4712952e5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_b0c7fd17-7aaa-4399-b6f6-fbb501a1ba0e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_fc9abf84-3311-4807-a911-31f68e2bae63" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_b0c7fd17-7aaa-4399-b6f6-fbb501a1ba0e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_0a7cd6c7-5fbb-4e9d-a46e-9ba1760e9337" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ccef3e84-5512-43cf-a44a-e28ae152401b" xlink:to="loc_us-gaap_NoncontrollingInterestMember_0a7cd6c7-5fbb-4e9d-a46e-9ba1760e9337" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_7ceaba16-4ae8-411b-a736-0f487362e118" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_490fb1e5-086e-4b4d-86aa-369494564d05" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_490fb1e5-086e-4b4d-86aa-369494564d05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_72e83272-58cf-4452-96fd-b2470ad4bbb0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_72e83272-58cf-4452-96fd-b2470ad4bbb0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_7c4dfc8e-4e2f-45f0-a17b-b666fed38574" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_ProfitLoss_7c4dfc8e-4e2f-45f0-a17b-b666fed38574" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_55402eff-00e5-457f-baa2-246942520a7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_55402eff-00e5-457f-baa2-246942520a7e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_58b6e0ec-4540-43ed-bfbd-0a8f8ed76a9f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_58b6e0ec-4540-43ed-bfbd-0a8f8ed76a9f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_d004bef3-538c-44f6-b693-5637ac4d31e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_d004bef3-538c-44f6-b693-5637ac4d31e1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_3a8b506a-edda-48a5-b248-ee1baa2b9cb6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_3a8b506a-edda-48a5-b248-ee1baa2b9cb6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_a4a81204-96d7-4c32-9225-62058b17cf4d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_DividendsCommonStockCash_a4a81204-96d7-4c32-9225-62058b17cf4d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_73b7ab03-cbfb-479d-98d4-e8e3f58014eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_73b7ab03-cbfb-479d-98d4-e8e3f58014eb" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_5549c057-2c67-464e-8bb8-3d13f8f20ec5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_5549c057-2c67-464e-8bb8-3d13f8f20ec5" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_fb0f1fa2-db0a-4101-bee6-403d4875dfd6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_fb0f1fa2-db0a-4101-bee6-403d4875dfd6" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_3fd93614-054e-4e47-9ac9-2f6db4c3c62b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_0b93e40c-664b-4fee-87c4-6f93e37d8670" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_3fd93614-054e-4e47-9ac9-2f6db4c3c62b" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3fd6d5ca-d4dc-4eec-9f15-6bd6784c6113" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_623c67ee-f728-409d-936d-22fe325590e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/OrganizationDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#OrganizationDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/OrganizationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_692bd2ab-8ac6-4e24-bf23-bb0a4f9c4907" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_d6e8fb4b-b2df-4b2c-b9d0-a2685abbdc26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_692bd2ab-8ac6-4e24-bf23-bb0a4f9c4907" xlink:to="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_d6e8fb4b-b2df-4b2c-b9d0-a2685abbdc26" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_0ca966e8-11a8-465c-a96a-1db9cd988656" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_d6e8fb4b-b2df-4b2c-b9d0-a2685abbdc26" xlink:to="loc_srt_OwnershipAxis_0ca966e8-11a8-465c-a96a-1db9cd988656" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_0ca966e8-11a8-465c-a96a-1db9cd988656_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_0ca966e8-11a8-465c-a96a-1db9cd988656" xlink:to="loc_srt_OwnershipDomain_0ca966e8-11a8-465c-a96a-1db9cd988656_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_01c53449-1b34-474a-b21c-627b43b7a4a3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_0ca966e8-11a8-465c-a96a-1db9cd988656" xlink:to="loc_srt_OwnershipDomain_01c53449-1b34-474a-b21c-627b43b7a4a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_TheMacerichPartnershipLPMember_f4228326-0d61-4636-a24f-2f946c79e988" xlink:href="mac-20250331.xsd#mac_TheMacerichPartnershipLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_01c53449-1b34-474a-b21c-627b43b7a4a3" xlink:to="loc_mac_TheMacerichPartnershipLPMember_f4228326-0d61-4636-a24f-2f946c79e988" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_044f5350-06a9-4406-ae8a-9102f612bd1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_692bd2ab-8ac6-4e24-bf23-bb0a4f9c4907" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_044f5350-06a9-4406-ae8a-9102f612bd1d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_NumberOfRealEstateManagementCompanies_0a67f766-4fe5-41a6-b252-ffbfaca347aa" xlink:href="mac-20250331.xsd#mac_NumberOfRealEstateManagementCompanies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_692bd2ab-8ac6-4e24-bf23-bb0a4f9c4907" xlink:to="loc_mac_NumberOfRealEstateManagementCompanies_0a67f766-4fe5-41a6-b252-ffbfaca347aa" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/SummaryofSignificantAccountingPoliciesScheduleofVariableInterestEntitiesDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#SummaryofSignificantAccountingPoliciesScheduleofVariableInterestEntitiesDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/SummaryofSignificantAccountingPoliciesScheduleofVariableInterestEntitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_a46e08a6-9f49-4ff9-be41-173460bffa1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_c3df5348-c206-4d17-a717-f16abeaf21a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a46e08a6-9f49-4ff9-be41-173460bffa1d" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_c3df5348-c206-4d17-a717-f16abeaf21a9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_9c044c25-c834-43e4-b8c7-1bd08d83e26d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_c3df5348-c206-4d17-a717-f16abeaf21a9" xlink:to="loc_srt_ConsolidatedEntitiesAxis_9c044c25-c834-43e4-b8c7-1bd08d83e26d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_9c044c25-c834-43e4-b8c7-1bd08d83e26d_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_9c044c25-c834-43e4-b8c7-1bd08d83e26d" xlink:to="loc_srt_ConsolidatedEntitiesDomain_9c044c25-c834-43e4-b8c7-1bd08d83e26d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_dce85574-7a5c-4e4c-be6f-4db87af5a939" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_9c044c25-c834-43e4-b8c7-1bd08d83e26d" xlink:to="loc_srt_ConsolidatedEntitiesDomain_dce85574-7a5c-4e4c-be6f-4db87af5a939" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_266e15ce-9f2b-4854-bb2e-146e8abe675c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_dce85574-7a5c-4e4c-be6f-4db87af5a939" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_266e15ce-9f2b-4854-bb2e-146e8abe675c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_d51dbd20-3080-41a9-9263-228f5f74922c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a46e08a6-9f49-4ff9-be41-173460bffa1d" xlink:to="loc_us-gaap_AssetsAbstract_d51dbd20-3080-41a9-9263-228f5f74922c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_30884ff9-a76e-489a-95fc-d549039cff66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d51dbd20-3080-41a9-9263-228f5f74922c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_30884ff9-a76e-489a-95fc-d549039cff66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_4e0f66a7-a222-4d00-bae9-6974018057c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d51dbd20-3080-41a9-9263-228f5f74922c" xlink:to="loc_us-gaap_OtherAssets_4e0f66a7-a222-4d00-bae9-6974018057c8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_d811cebf-6d48-4236-850b-2c6ac382d339" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d51dbd20-3080-41a9-9263-228f5f74922c" xlink:to="loc_us-gaap_Assets_d811cebf-6d48-4236-850b-2c6ac382d339" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_63bd1946-bfb5-4ee5-a48e-65dc129fd2ff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_a46e08a6-9f49-4ff9-be41-173460bffa1d" xlink:to="loc_us-gaap_LiabilitiesAbstract_63bd1946-bfb5-4ee5-a48e-65dc129fd2ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebt_2432b604-032d-4ddb-910b-7ec74d03577f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_63bd1946-bfb5-4ee5-a48e-65dc129fd2ff" xlink:to="loc_us-gaap_SecuredDebt_2432b604-032d-4ddb-910b-7ec74d03577f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_7764f788-7c38-4b60-8b02-394ee48c64fd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_63bd1946-bfb5-4ee5-a48e-65dc129fd2ff" xlink:to="loc_us-gaap_OtherLiabilities_7764f788-7c38-4b60-8b02-394ee48c64fd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_3b96072f-c885-4e67-9773-25ea4d3b5444" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_63bd1946-bfb5-4ee5-a48e-65dc129fd2ff" xlink:to="loc_us-gaap_Liabilities_3b96072f-c885-4e67-9773-25ea4d3b5444" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/EarningsPerShareEPSScheduleofReconciliationofNumeratorandDenominatorUsedinComputationofEarningsPerShareDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#EarningsPerShareEPSScheduleofReconciliationofNumeratorandDenominatorUsedinComputationofEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/EarningsPerShareEPSScheduleofReconciliationofNumeratorandDenominatorUsedinComputationofEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50ec2b40-34fd-45a1-9720-4eae76259530" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_680a697e-3be5-4406-904c-c1c1446abc86" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50ec2b40-34fd-45a1-9720-4eae76259530" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_680a697e-3be5-4406-904c-c1c1446abc86" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_1bfafb47-185b-4ef6-ba89-bf32d676af47" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_680a697e-3be5-4406-904c-c1c1446abc86" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_1bfafb47-185b-4ef6-ba89-bf32d676af47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1bfafb47-185b-4ef6-ba89-bf32d676af47_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_1bfafb47-185b-4ef6-ba89-bf32d676af47" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1bfafb47-185b-4ef6-ba89-bf32d676af47_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_bbdcad54-22af-467b-894d-c66493300656" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_1bfafb47-185b-4ef6-ba89-bf32d676af47" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_bbdcad54-22af-467b-894d-c66493300656" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PreferredNonparticipatingConvertibleUnitsMember_7cc10833-9cec-48ae-b44c-6c46b098e198" xlink:href="mac-20250331.xsd#mac_PreferredNonparticipatingConvertibleUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_bbdcad54-22af-467b-894d-c66493300656" xlink:to="loc_mac_PreferredNonparticipatingConvertibleUnitsMember_7cc10833-9cec-48ae-b44c-6c46b098e198" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PartnershipUnitsMember_5f2d1e3a-5e13-4ae9-a3dc-301a448bb7f9" xlink:href="mac-20250331.xsd#mac_PartnershipUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_bbdcad54-22af-467b-894d-c66493300656" xlink:to="loc_mac_PartnershipUnitsMember_5f2d1e3a-5e13-4ae9-a3dc-301a448bb7f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_cb88761d-1586-4217-94e6-e727e14e6bba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_50ec2b40-34fd-45a1-9720-4eae76259530" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_cb88761d-1586-4217-94e6-e727e14e6bba" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesNarrativeDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#InvestmentsinUnconsolidatedJointVenturesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_7d08916a-dc0d-43c3-83f2-2fa26fedc3fa" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_7d08916a-dc0d-43c3-83f2-2fa26fedc3fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_7d08916a-dc0d-43c3-83f2-2fa26fedc3fa_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_7d08916a-dc0d-43c3-83f2-2fa26fedc3fa" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_7d08916a-dc0d-43c3-83f2-2fa26fedc3fa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_7d08916a-dc0d-43c3-83f2-2fa26fedc3fa" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PropcorIIAssociatesLLCBoulevardShopsMember_d7efd6f0-d4fb-4a4a-9346-7ca0dcfe2cae" xlink:href="mac-20250331.xsd#mac_PropcorIIAssociatesLLCBoulevardShopsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:to="loc_mac_PropcorIIAssociatesLLCBoulevardShopsMember_d7efd6f0-d4fb-4a4a-9346-7ca0dcfe2cae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DevelopmentOfPremiumOutletsInLosAngelesMember_c3bf3d58-1748-4834-b44d-264a1c5814e3" xlink:href="mac-20250331.xsd#mac_DevelopmentOfPremiumOutletsInLosAngelesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:to="loc_mac_DevelopmentOfPremiumOutletsInLosAngelesMember_c3bf3d58-1748-4834-b44d-264a1c5814e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ChandlerFashionCenterMember_f8046683-2ec1-4552-8281-5a4e4736df4e" xlink:href="mac-20250331.xsd#mac_ChandlerFashionCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:to="loc_mac_ChandlerFashionCenterMember_f8046683-2ec1-4552-8281-5a4e4736df4e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_CountryClubPlazaMember_65fea53e-2552-40b2-bfaf-81cc3b1db085" xlink:href="mac-20250331.xsd#mac_CountryClubPlazaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:to="loc_mac_CountryClubPlazaMember_65fea53e-2552-40b2-bfaf-81cc3b1db085" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BiltmoreFashionParkRetailCenterInPhoenixArizonaMember_e20a9a78-0b85-432c-b75e-83386d103ebd" xlink:href="mac-20250331.xsd#mac_BiltmoreFashionParkRetailCenterInPhoenixArizonaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:to="loc_mac_BiltmoreFashionParkRetailCenterInPhoenixArizonaMember_e20a9a78-0b85-432c-b75e-83386d103ebd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LakewoodCenterLosCerritosCenterAndWashingtonSquareRetailCenterInPhoenixArizonaMember_8d7a1c3f-6bc8-437b-9643-7ed50a5042b4" xlink:href="mac-20250331.xsd#mac_LakewoodCenterLosCerritosCenterAndWashingtonSquareRetailCenterInPhoenixArizonaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:to="loc_mac_LakewoodCenterLosCerritosCenterAndWashingtonSquareRetailCenterInPhoenixArizonaMember_8d7a1c3f-6bc8-437b-9643-7ed50a5042b4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FlatIronCrossingMember_96c6fe05-8035-4775-8d41-b9a9f24568fb" xlink:href="mac-20250331.xsd#mac_FlatIronCrossingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_99469e70-4d6f-431e-93a3-c1530ed5f39a" xlink:to="loc_mac_FlatIronCrossingMember_96c6fe05-8035-4775-8d41-b9a9f24568fb" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0d2aa7f4-cffa-432b-b281-3df6fac579ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0d2aa7f4-cffa-432b-b281-3df6fac579ab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_0d2aa7f4-cffa-432b-b281-3df6fac579ab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0d2aa7f4-cffa-432b-b281-3df6fac579ab" xlink:to="loc_us-gaap_RelatedPartyDomain_0d2aa7f4-cffa-432b-b281-3df6fac579ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_584bd232-71a1-4d64-9aa3-b96696da106a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0d2aa7f4-cffa-432b-b281-3df6fac579ab" xlink:to="loc_us-gaap_RelatedPartyDomain_584bd232-71a1-4d64-9aa3-b96696da106a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_bff718cc-ccd6-4e55-91bc-0082da48322e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_584bd232-71a1-4d64-9aa3-b96696da106a" xlink:to="loc_us-gaap_CorporateJointVentureMember_bff718cc-ccd6-4e55-91bc-0082da48322e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_af1dac2d-7240-491b-96ac-3d5016404e03" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:to="loc_srt_CounterpartyNameAxis_af1dac2d-7240-491b-96ac-3d5016404e03" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_af1dac2d-7240-491b-96ac-3d5016404e03_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_af1dac2d-7240-491b-96ac-3d5016404e03" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_af1dac2d-7240-491b-96ac-3d5016404e03_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_616fb0f6-d29a-4960-b07a-dae4e4ec6e90" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_af1dac2d-7240-491b-96ac-3d5016404e03" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_616fb0f6-d29a-4960-b07a-dae4e4ec6e90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ThirdPartyMember_5d863cbb-9ec4-4354-8ffb-853a740bed85" xlink:href="mac-20250331.xsd#mac_ThirdPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_616fb0f6-d29a-4960-b07a-dae4e4ec6e90" xlink:to="loc_mac_ThirdPartyMember_5d863cbb-9ec4-4354-8ffb-853a740bed85" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_13b0861d-536d-4ebb-bdb4-35b7baf19ae5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:to="loc_us-gaap_AssetAcquisitionAxis_13b0861d-536d-4ebb-bdb4-35b7baf19ae5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_13b0861d-536d-4ebb-bdb4-35b7baf19ae5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_13b0861d-536d-4ebb-bdb4-35b7baf19ae5" xlink:to="loc_us-gaap_AssetAcquisitionDomain_13b0861d-536d-4ebb-bdb4-35b7baf19ae5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_9976e037-497d-40b0-8be1-86bf62e14398" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_13b0861d-536d-4ebb-bdb4-35b7baf19ae5" xlink:to="loc_us-gaap_AssetAcquisitionDomain_9976e037-497d-40b0-8be1-86bf62e14398" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_5463efcf-7752-4166-b1e5-0c44516db1f0" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_9976e037-497d-40b0-8be1-86bf62e14398" xlink:to="loc_mac_ArrowheadTowneCenterMember_5463efcf-7752-4166-b1e5-0c44516db1f0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_e8f49e8c-10e3-4063-835f-b12320fe5fc6" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_9976e037-497d-40b0-8be1-86bf62e14398" xlink:to="loc_mac_SouthPlainsMallMember_e8f49e8c-10e3-4063-835f-b12320fe5fc6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_b45ec53a-545d-45db-b980-0e37ba574132" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_b45ec53a-545d-45db-b980-0e37ba574132" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_b45ec53a-545d-45db-b980-0e37ba574132_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_b45ec53a-545d-45db-b980-0e37ba574132" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_b45ec53a-545d-45db-b980-0e37ba574132_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_2c219fdf-8c4a-4e87-8fa3-bc1e5ef71f8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_b45ec53a-545d-45db-b980-0e37ba574132" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_2c219fdf-8c4a-4e87-8fa3-bc1e5ef71f8b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_4cf6caf9-fe55-40de-8ecf-a217b2cd72d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_2c219fdf-8c4a-4e87-8fa3-bc1e5ef71f8b" xlink:to="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_4cf6caf9-fe55-40de-8ecf-a217b2cd72d3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_0a2c4cf9-f2d1-4b47-a9f8-0c6c0d7e5db7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:to="loc_us-gaap_DebtInstrumentAxis_0a2c4cf9-f2d1-4b47-a9f8-0c6c0d7e5db7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0a2c4cf9-f2d1-4b47-a9f8-0c6c0d7e5db7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_0a2c4cf9-f2d1-4b47-a9f8-0c6c0d7e5db7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0a2c4cf9-f2d1-4b47-a9f8-0c6c0d7e5db7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_878768a4-c1d0-4487-9545-fcaa51f188c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_0a2c4cf9-f2d1-4b47-a9f8-0c6c0d7e5db7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_878768a4-c1d0-4487-9545-fcaa51f188c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_MezzanineLoanMember_67760a4b-19e4-4437-8659-69dffb02e7bf" xlink:href="mac-20250331.xsd#mac_MezzanineLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_878768a4-c1d0-4487-9545-fcaa51f188c9" xlink:to="loc_mac_MezzanineLoanMember_67760a4b-19e4-4437-8659-69dffb02e7bf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FirstMortgageMember_15fae4dc-dc2e-4d77-802a-58b3f904e7fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FirstMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_878768a4-c1d0-4487-9545-fcaa51f188c9" xlink:to="loc_us-gaap_FirstMortgageMember_15fae4dc-dc2e-4d77-802a-58b3f904e7fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_c79246b1-179d-4db2-950c-65b1f5483b35" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4616b926-8b02-4588-be99-32ba54fdf190" xlink:to="loc_srt_RangeAxis_c79246b1-179d-4db2-950c-65b1f5483b35" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c79246b1-179d-4db2-950c-65b1f5483b35_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_c79246b1-179d-4db2-950c-65b1f5483b35" xlink:to="loc_srt_RangeMember_c79246b1-179d-4db2-950c-65b1f5483b35_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_7c8defbf-a4b2-42b1-abc9-631b3771538c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_c79246b1-179d-4db2-950c-65b1f5483b35" xlink:to="loc_srt_RangeMember_7c8defbf-a4b2-42b1-abc9-631b3771538c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_5ef154a0-07a0-44e8-b6f1-9de0cdaa5e20" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_7c8defbf-a4b2-42b1-abc9-631b3771538c" xlink:to="loc_srt_WeightedAverageMember_5ef154a0-07a0-44e8-b6f1-9de0cdaa5e20" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_409f7a70-a397-4959-841f-5863fd96214f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_RepaymentsOfDebt_409f7a70-a397-4959-841f-5863fd96214f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_a443a708-c5fb-491e-9227-ef09bdddfc7f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_a443a708-c5fb-491e-9227-ef09bdddfc7f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_31577899-a164-4644-a720-e796ed19dd4c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_31577899-a164-4644-a720-e796ed19dd4c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCapInterestRate_1ea48abd-db88-4148-96e8-4464399ac006" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeCapInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_DerivativeCapInterestRate_1ea48abd-db88-4148-96e8-4464399ac006" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureOwnershipPercent_736234af-98e2-4e31-a8a2-ac0e809d64ee" xlink:href="mac-20250331.xsd#mac_JointVentureOwnershipPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_mac_JointVentureOwnershipPercent_736234af-98e2-4e31-a8a2-ac0e809d64ee" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_181ce2ea-3c60-4eb3-8be8-6b90c24db8e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_181ce2ea-3c60-4eb3-8be8-6b90c24db8e2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureOwnershipPercentAcquired_e2d90131-d48a-4fc6-a671-dd90f2ff6357" xlink:href="mac-20250331.xsd#mac_JointVentureOwnershipPercentAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_mac_JointVentureOwnershipPercentAcquired_e2d90131-d48a-4fc6-a671-dd90f2ff6357" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_717acced-1f8a-45c0-80f0-572f57a85c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_717acced-1f8a-45c0-80f0-572f57a85c1d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_AssetAcquisitionPercentageOfSharesOwned_78048630-f0bc-461e-8a35-970373ff9ee5" xlink:href="mac-20250331.xsd#mac_AssetAcquisitionPercentageOfSharesOwned"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_mac_AssetAcquisitionPercentageOfSharesOwned_78048630-f0bc-461e-8a35-970373ff9ee5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_e4cf5649-8971-487d-a06a-b88400754467" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_e4cf5649-8971-487d-a06a-b88400754467" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_8a294529-f8eb-4238-877a-78e51ead3fda" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_8a294529-f8eb-4238-877a-78e51ead3fda" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfBuildings_69c7af93-63cc-4e29-b8a5-4cc7d13dce24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfBuildings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_ProceedsFromSaleOfBuildings_69c7af93-63cc-4e29-b8a5-4cc7d13dce24" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_fd5b0301-be17-4c02-905a-ec414fd80d04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ExtinguishmentOfDebtAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAmount_fd5b0301-be17-4c02-905a-ec414fd80d04" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_EquityInterestPercentageSold_c1569882-dfad-41b6-b297-8f8f797ef92c" xlink:href="mac-20250331.xsd#mac_EquityInterestPercentageSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_mac_EquityInterestPercentageSold_c1569882-dfad-41b6-b297-8f8f797ef92c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_790832fa-7c7e-42dd-bc17-061ff944de6d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AreaOfRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_790832fa-7c7e-42dd-bc17-061ff944de6d" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ProceedsFromSaleOfPartnershipInterestsOtherAssetsNet_7dadc632-0d6c-401f-84f9-a8c07cb1069c" xlink:href="mac-20250331.xsd#mac_ProceedsFromSaleOfPartnershipInterestsOtherAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_mac_ProceedsFromSaleOfPartnershipInterestsOtherAssetsNet_7dadc632-0d6c-401f-84f9-a8c07cb1069c" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_babfcd6b-2590-4911-bedf-82f6e219febd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnSalesOfInvestmentRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_babfcd6b-2590-4911-bedf-82f6e219febd" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DebtInstrumentExtensionTerm_18a0fd12-bd47-424a-a2c7-8fd44100b859" xlink:href="mac-20250331.xsd#mac_DebtInstrumentExtensionTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_mac_DebtInstrumentExtensionTerm_18a0fd12-bd47-424a-a2c7-8fd44100b859" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebt_21e4a2d3-4dcd-4dec-a954-3baaafb48246" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_SecuredDebt_21e4a2d3-4dcd-4dec-a954-3baaafb48246" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration_c6d6b602-c62e-4d22-844d-e1c706c86daa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_01abc4e8-82ac-4249-acab-c06bfc83dbd9" xlink:to="loc_us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration_c6d6b602-c62e-4d22-844d-e1c706c86daa" xlink:type="arc" order="19"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesScheduleofCombinedandCondensedBalanceSheetsofUnconsolidatedJointVenturesDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#InvestmentsinUnconsolidatedJointVenturesScheduleofCombinedandCondensedBalanceSheetsofUnconsolidatedJointVenturesDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesScheduleofCombinedandCondensedBalanceSheetsofUnconsolidatedJointVenturesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5d791bd0-61a4-4c85-a5fb-28403b13f9c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_eb10fe20-1ddb-4a71-b439-a8d5476bf5ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5d791bd0-61a4-4c85-a5fb-28403b13f9c1" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_eb10fe20-1ddb-4a71-b439-a8d5476bf5ad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_774aab2b-c1b7-4044-8976-e20f33218179" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_eb10fe20-1ddb-4a71-b439-a8d5476bf5ad" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_774aab2b-c1b7-4044-8976-e20f33218179" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_774aab2b-c1b7-4044-8976-e20f33218179_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_774aab2b-c1b7-4044-8976-e20f33218179" xlink:to="loc_us-gaap_RelatedPartyDomain_774aab2b-c1b7-4044-8976-e20f33218179_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_4a4b5a7b-cba4-4fc8-8a1f-102d9bd9b3df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_774aab2b-c1b7-4044-8976-e20f33218179" xlink:to="loc_us-gaap_RelatedPartyDomain_4a4b5a7b-cba4-4fc8-8a1f-102d9bd9b3df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_ef104280-34e0-4f73-9a28-ec35255c0c86" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_4a4b5a7b-cba4-4fc8-8a1f-102d9bd9b3df" xlink:to="loc_us-gaap_CorporateJointVentureMember_ef104280-34e0-4f73-9a28-ec35255c0c86" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_2f5ca51f-96aa-47cf-b2ad-e3d5c5896058" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5d791bd0-61a4-4c85-a5fb-28403b13f9c1" xlink:to="loc_us-gaap_AssetsAbstract_2f5ca51f-96aa-47cf-b2ad-e3d5c5896058" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_1e8e201a-9377-41c7-ba85-cdd2a5ec82a6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2f5ca51f-96aa-47cf-b2ad-e3d5c5896058" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_1e8e201a-9377-41c7-ba85-cdd2a5ec82a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_eb6039e8-627b-4916-bc43-539f9fabb311" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2f5ca51f-96aa-47cf-b2ad-e3d5c5896058" xlink:to="loc_us-gaap_OtherAssets_eb6039e8-627b-4916-bc43-539f9fabb311" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_850b78e5-db68-489b-819d-c6eaed018cad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2f5ca51f-96aa-47cf-b2ad-e3d5c5896058" xlink:to="loc_us-gaap_Assets_850b78e5-db68-489b-819d-c6eaed018cad" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8810d033-3f75-4a56-acd9-04358b08e466" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5d791bd0-61a4-4c85-a5fb-28403b13f9c1" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8810d033-3f75-4a56-acd9-04358b08e466" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebt_99a7f9ad-9cd4-47cf-a990-f9f11eca3cc5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8810d033-3f75-4a56-acd9-04358b08e466" xlink:to="loc_us-gaap_SecuredDebt_99a7f9ad-9cd4-47cf-a990-f9f11eca3cc5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_7c3c32f0-3924-4684-acbc-389518b9a18c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8810d033-3f75-4a56-acd9-04358b08e466" xlink:to="loc_us-gaap_OtherLiabilities_7c3c32f0-3924-4684-acbc-389518b9a18c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets_767b5db4-e4eb-4b67-8dcb-adf74ab9061a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8810d033-3f75-4a56-acd9-04358b08e466" xlink:to="loc_us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets_767b5db4-e4eb-4b67-8dcb-adf74ab9061a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapitalOtherInterests_2469647b-e65c-4fb0-8105-cb9ba1c87002" xlink:href="mac-20250331.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapitalOtherInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8810d033-3f75-4a56-acd9-04358b08e466" xlink:to="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapitalOtherInterests_2469647b-e65c-4fb0-8105-cb9ba1c87002" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_fcffb625-94aa-4a0e-8ac9-187d04d58290" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8810d033-3f75-4a56-acd9-04358b08e466" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_fcffb625-94aa-4a0e-8ac9-187d04d58290" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract_193a982d-67f4-4232-9b66-5c0b563ce0e6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5d791bd0-61a4-4c85-a5fb-28403b13f9c1" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract_193a982d-67f4-4232-9b66-5c0b563ce0e6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets_44d9d1c3-70ed-4c0d-96f3-1f72637e9fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_c41eccd7-b91e-4e51-9db7-e0a9a58d4aec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract_193a982d-67f4-4232-9b66-5c0b563ce0e6" xlink:to="loc_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_c41eccd7-b91e-4e51-9db7-e0a9a58d4aec" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_EquityMethodInvestmentsNet_ae12476e-4c70-489d-8e32-0e3b180a5919" xlink:href="mac-20250331.xsd#mac_EquityMethodInvestmentsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract_193a982d-67f4-4232-9b66-5c0b563ce0e6" xlink:to="loc_mac_EquityMethodInvestmentsNet_ae12476e-4c70-489d-8e32-0e3b180a5919" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_41dd3054-acec-48fa-850d-21984836f7e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5d791bd0-61a4-4c85-a5fb-28403b13f9c1" xlink:to="loc_us-gaap_EquityMethodInvestments_41dd3054-acec-48fa-850d-21984836f7e4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_InvestmentsInUnconsolidatedJointVentures_baec467f-7336-4671-94b9-98864a5e2ab5" xlink:href="mac-20250331.xsd#mac_InvestmentsInUnconsolidatedJointVentures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5d791bd0-61a4-4c85-a5fb-28403b13f9c1" xlink:to="loc_mac_InvestmentsInUnconsolidatedJointVentures_baec467f-7336-4671-94b9-98864a5e2ab5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_EquityMethodInvestmentsNet_019edecc-eac7-4bfa-bce4-15ae68355045" xlink:href="mac-20250331.xsd#mac_EquityMethodInvestmentsNet"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesBalanceSheetfootnotesDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#InvestmentsinUnconsolidatedJointVenturesBalanceSheetfootnotesDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesBalanceSheetfootnotesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_4fb4b0d3-14d6-490e-80fd-05b469ce6e67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_fef2c83d-f708-41ea-82f5-a7bb735b1769" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_4fb4b0d3-14d6-490e-80fd-05b469ce6e67" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_fef2c83d-f708-41ea-82f5-a7bb735b1769" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_ebbfa2ad-8ab4-4cdc-b172-e876c2c5b4fb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_fef2c83d-f708-41ea-82f5-a7bb735b1769" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_ebbfa2ad-8ab4-4cdc-b172-e876c2c5b4fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_ebbfa2ad-8ab4-4cdc-b172-e876c2c5b4fb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_ebbfa2ad-8ab4-4cdc-b172-e876c2c5b4fb" xlink:to="loc_us-gaap_RelatedPartyDomain_ebbfa2ad-8ab4-4cdc-b172-e876c2c5b4fb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_ffabe04c-b7e2-49dd-b2c2-40a4e016a0a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_ebbfa2ad-8ab4-4cdc-b172-e876c2c5b4fb" xlink:to="loc_us-gaap_RelatedPartyDomain_ffabe04c-b7e2-49dd-b2c2-40a4e016a0a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_bb1a051a-aca4-46dd-aaaf-7b107b0ee74e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_ffabe04c-b7e2-49dd-b2c2-40a4e016a0a3" xlink:to="loc_us-gaap_CorporateJointVentureMember_bb1a051a-aca4-46dd-aaaf-7b107b0ee74e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_EquityMethodInvestmentAmortizationOfDifferenceBetweenCarryingAmountAndUnderlyingEquity_c90bd962-ca6c-4a3a-a8e6-84cc0797b68d" xlink:href="mac-20250331.xsd#mac_EquityMethodInvestmentAmortizationOfDifferenceBetweenCarryingAmountAndUnderlyingEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_4fb4b0d3-14d6-490e-80fd-05b469ce6e67" xlink:to="loc_mac_EquityMethodInvestmentAmortizationOfDifferenceBetweenCarryingAmountAndUnderlyingEquity_c90bd962-ca6c-4a3a-a8e6-84cc0797b68d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesScheduleofCombinedandCondensedStatementsofOperationsofUnconsolidatedJointVenturesDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#InvestmentsinUnconsolidatedJointVenturesScheduleofCombinedandCondensedStatementsofOperationsofUnconsolidatedJointVenturesDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/InvestmentsinUnconsolidatedJointVenturesScheduleofCombinedandCondensedStatementsofOperationsofUnconsolidatedJointVenturesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_c7509787-4952-49bd-840a-cbaac4694969" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_c7509787-4952-49bd-840a-cbaac4694969" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0bdb732b-b303-4d54-b93a-a85fa157b2c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_c7509787-4952-49bd-840a-cbaac4694969" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0bdb732b-b303-4d54-b93a-a85fa157b2c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_0bdb732b-b303-4d54-b93a-a85fa157b2c5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0bdb732b-b303-4d54-b93a-a85fa157b2c5" xlink:to="loc_us-gaap_RelatedPartyDomain_0bdb732b-b303-4d54-b93a-a85fa157b2c5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_c63aa1e1-8396-4a3a-8937-f0eb37f83600" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0bdb732b-b303-4d54-b93a-a85fa157b2c5" xlink:to="loc_us-gaap_RelatedPartyDomain_c63aa1e1-8396-4a3a-8937-f0eb37f83600" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_b4caf447-6fbe-47db-b396-e8d652c9a549" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_c63aa1e1-8396-4a3a-8937-f0eb37f83600" xlink:to="loc_us-gaap_CorporateJointVentureMember_b4caf447-6fbe-47db-b396-e8d652c9a549" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_4f6d6901-7d6c-4115-bfee-2f3d14c6e7f5" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_c7509787-4952-49bd-840a-cbaac4694969" xlink:to="loc_srt_ProductOrServiceAxis_4f6d6901-7d6c-4115-bfee-2f3d14c6e7f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4f6d6901-7d6c-4115-bfee-2f3d14c6e7f5_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_4f6d6901-7d6c-4115-bfee-2f3d14c6e7f5" xlink:to="loc_srt_ProductsAndServicesDomain_4f6d6901-7d6c-4115-bfee-2f3d14c6e7f5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_0516c18b-909f-4a5f-8973-265e0ae9701d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_4f6d6901-7d6c-4115-bfee-2f3d14c6e7f5" xlink:to="loc_srt_ProductsAndServicesDomain_0516c18b-909f-4a5f-8973-265e0ae9701d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateOtherMember_602e6f94-0b90-46c5-bb0e-c3abc2ef3909" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0516c18b-909f-4a5f-8973-265e0ae9701d" xlink:to="loc_us-gaap_RealEstateOtherMember_602e6f94-0b90-46c5-bb0e-c3abc2ef3909" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateMember_84467607-c0ae-4698-8844-2a62dbca4fa2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0516c18b-909f-4a5f-8973-265e0ae9701d" xlink:to="loc_us-gaap_RealEstateMember_84467607-c0ae-4698-8844-2a62dbca4fa2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_4127742f-8bda-442d-abf9-19215140c771" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_c7509787-4952-49bd-840a-cbaac4694969" xlink:to="loc_srt_CounterpartyNameAxis_4127742f-8bda-442d-abf9-19215140c771" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_4127742f-8bda-442d-abf9-19215140c771_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_4127742f-8bda-442d-abf9-19215140c771" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_4127742f-8bda-442d-abf9-19215140c771_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a5737e5b-458b-46a1-b35c-de02ed2c6e17" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_4127742f-8bda-442d-abf9-19215140c771" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a5737e5b-458b-46a1-b35c-de02ed2c6e17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PacificPremierRetailLPMember_fe222c1c-62c9-42a7-a5e5-6e0c878eff6b" xlink:href="mac-20250331.xsd#mac_PacificPremierRetailLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a5737e5b-458b-46a1-b35c-de02ed2c6e17" xlink:to="loc_mac_PacificPremierRetailLPMember_fe222c1c-62c9-42a7-a5e5-6e0c878eff6b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_OtherJointVenturesMember_7a07dc78-831c-4698-8588-ea94e0b397f4" xlink:href="mac-20250331.xsd#mac_OtherJointVenturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a5737e5b-458b-46a1-b35c-de02ed2c6e17" xlink:to="loc_mac_OtherJointVenturesMember_7a07dc78-831c-4698-8588-ea94e0b397f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_c186860e-4945-4d6e-8988-79d1a8e3a274" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_c7509787-4952-49bd-840a-cbaac4694969" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_c186860e-4945-4d6e-8988-79d1a8e3a274" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_c186860e-4945-4d6e-8988-79d1a8e3a274_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_c186860e-4945-4d6e-8988-79d1a8e3a274" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_c186860e-4945-4d6e-8988-79d1a8e3a274_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_66c0e733-2fba-4c65-a85c-d238969b2137" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_c186860e-4945-4d6e-8988-79d1a8e3a274" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_66c0e733-2fba-4c65-a85c-d238969b2137" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LakewoodCenterLosCerritosCenterAndWashingtonSquareRetailCenterInPhoenixArizonaMember_94663d65-7cd0-42a1-9521-1ced1e695bd3" xlink:href="mac-20250331.xsd#mac_LakewoodCenterLosCerritosCenterAndWashingtonSquareRetailCenterInPhoenixArizonaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_66c0e733-2fba-4c65-a85c-d238969b2137" xlink:to="loc_mac_LakewoodCenterLosCerritosCenterAndWashingtonSquareRetailCenterInPhoenixArizonaMember_94663d65-7cd0-42a1-9521-1ced1e695bd3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_d4ce2d0d-40ce-4750-98de-a3daa7698f7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_RevenuesAbstract_d4ce2d0d-40ce-4750-98de-a3daa7698f7e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_499a6e82-47f0-4fae-b84a-35c8ef4a258b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_d4ce2d0d-40ce-4750-98de-a3daa7698f7e" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_499a6e82-47f0-4fae-b84a-35c8ef4a258b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_79f346fb-2984-4165-95b9-9143c1f0f29b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_d4ce2d0d-40ce-4750-98de-a3daa7698f7e" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_79f346fb-2984-4165-95b9-9143c1f0f29b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_0bcbca2a-746d-42b6-8fed-5a6a3f148e07" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_d4ce2d0d-40ce-4750-98de-a3daa7698f7e" xlink:to="loc_us-gaap_Revenues_0bcbca2a-746d-42b6-8fed-5a6a3f148e07" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_ba398d19-079c-496b-b5c3-d723334376cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_OperatingExpensesAbstract_ba398d19-079c-496b-b5c3-d723334376cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_2205aacc-932c-4d29-85d2-dad6eeb7b1fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ba398d19-079c-496b-b5c3-d723334376cd" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_2205aacc-932c-4d29-85d2-dad6eeb7b1fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseInitialDirectCostExpenseOverTerm_699555e0-0641-4f4e-8f9d-3f1ee1a8bd21" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseInitialDirectCostExpenseOverTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ba398d19-079c-496b-b5c3-d723334376cd" xlink:to="loc_us-gaap_OperatingLeaseInitialDirectCostExpenseOverTerm_699555e0-0641-4f4e-8f9d-3f1ee1a8bd21" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_8c8a4ee0-f086-454e-b290-e916d66bc67b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ba398d19-079c-496b-b5c3-d723334376cd" xlink:to="loc_us-gaap_InterestExpenseNonoperating_8c8a4ee0-f086-454e-b290-e916d66bc67b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_951c5470-3f68-43ba-8c6e-695ea9f06b51" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ba398d19-079c-496b-b5c3-d723334376cd" xlink:to="loc_us-gaap_DepreciationAndAmortization_951c5470-3f68-43ba-8c6e-695ea9f06b51" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_6c561812-3267-4f19-b9b5-f6193fe7f41e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_ba398d19-079c-496b-b5c3-d723334376cd" xlink:to="loc_us-gaap_CostsAndExpenses_6c561812-3267-4f19-b9b5-f6193fe7f41e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_3f8c3dc7-06f6-4dc1-a2a3-68845cd489db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_3f8c3dc7-06f6-4dc1-a2a3-68845cd489db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncome_5f4ce292-39a2-4c01-9861-c91c62f39d3e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_OtherIncome_5f4ce292-39a2-4c01-9861-c91c62f39d3e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_e59b5617-bf62-4df4-806a-946f22514f3d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_ProfitLoss_e59b5617-bf62-4df4-806a-946f22514f3d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_da0a5602-6d71-42cb-b060-1ff8d095870f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_da0a5602-6d71-42cb-b060-1ff8d095870f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureOwnershipPercentAcquired_0690a766-4831-4042-8d74-90bae8e1176d" xlink:href="mac-20250331.xsd#mac_JointVentureOwnershipPercentAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_mac_JointVentureOwnershipPercentAcquired_0690a766-4831-4042-8d74-90bae8e1176d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_500b78dc-04e0-48d8-99c1-4c83a44219b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_5e077688-1228-4d7d-8ddd-9f6966a4a0a8" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_500b78dc-04e0-48d8-99c1-4c83a44219b5" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/PropertynetScheduleofComponentsofPropertyNetDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#PropertynetScheduleofComponentsofPropertyNetDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/PropertynetScheduleofComponentsofPropertyNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_c67a9452-a03e-4727-8973-fb0c6780cb9c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d98fa90c-ea34-4895-80be-37005b1d8ef8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_c67a9452-a03e-4727-8973-fb0c6780cb9c" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d98fa90c-ea34-4895-80be-37005b1d8ef8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_39065c8f-770a-432b-b3c8-3c6b4a8f156d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_d98fa90c-ea34-4895-80be-37005b1d8ef8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_39065c8f-770a-432b-b3c8-3c6b4a8f156d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39065c8f-770a-432b-b3c8-3c6b4a8f156d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_39065c8f-770a-432b-b3c8-3c6b4a8f156d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39065c8f-770a-432b-b3c8-3c6b4a8f156d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_09f02e9a-72d6-425c-acd4-21abf46e8876" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_39065c8f-770a-432b-b3c8-3c6b4a8f156d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_09f02e9a-72d6-425c-acd4-21abf46e8876" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_28a4cb29-e152-492f-9da8-3942f9f90801" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_09f02e9a-72d6-425c-acd4-21abf46e8876" xlink:to="loc_us-gaap_LandMember_28a4cb29-e152-492f-9da8-3942f9f90801" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_58fae984-e38c-43ca-9004-f4d0953a9d9c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_09f02e9a-72d6-425c-acd4-21abf46e8876" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_58fae984-e38c-43ca-9004-f4d0953a9d9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_3bb07c45-9b50-4a12-93de-779481eb6dfc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_09f02e9a-72d6-425c-acd4-21abf46e8876" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_3bb07c45-9b50-4a12-93de-779481eb6dfc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_16441d63-8ed4-4a81-95ed-fc2e1b82af0c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_09f02e9a-72d6-425c-acd4-21abf46e8876" xlink:to="loc_us-gaap_ConstructionInProgressMember_16441d63-8ed4-4a81-95ed-fc2e1b82af0c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_23a62f1e-ca21-4318-8cd3-ec00e2234746" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_c67a9452-a03e-4727-8973-fb0c6780cb9c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_23a62f1e-ca21-4318-8cd3-ec00e2234746" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_e59787a7-209a-4ca9-ab51-3273a15e1058" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_c67a9452-a03e-4727-8973-fb0c6780cb9c" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_e59787a7-209a-4ca9-ab51-3273a15e1058" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_db6fae57-62e3-4f13-b929-1b6c678be506" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_c67a9452-a03e-4727-8973-fb0c6780cb9c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_db6fae57-62e3-4f13-b929-1b6c678be506" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_df45b73d-ee5a-490d-816a-ad77a7f42eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_c67a9452-a03e-4727-8973-fb0c6780cb9c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_df45b73d-ee5a-490d-816a-ad77a7f42eeb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_5f03b786-e604-4ab3-8133-36c41bab0cd4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_c67a9452-a03e-4727-8973-fb0c6780cb9c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_5f03b786-e604-4ab3-8133-36c41bab0cd4" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/PropertynetNarrativeDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#PropertynetNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/PropertynetNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3566517b-3f7a-4fd3-84d0-b13b9a2da2e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3a253c84-f22e-4c39-be6e-9416514df4de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3566517b-3f7a-4fd3-84d0-b13b9a2da2e7" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3a253c84-f22e-4c39-be6e-9416514df4de" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_49448705-0e05-40d0-8e2a-8d8bdda9fcdc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3a253c84-f22e-4c39-be6e-9416514df4de" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_49448705-0e05-40d0-8e2a-8d8bdda9fcdc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_49448705-0e05-40d0-8e2a-8d8bdda9fcdc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_49448705-0e05-40d0-8e2a-8d8bdda9fcdc" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_49448705-0e05-40d0-8e2a-8d8bdda9fcdc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_1e21e930-fe57-4646-a1c1-36df6f1031f6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_49448705-0e05-40d0-8e2a-8d8bdda9fcdc" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_1e21e930-fe57-4646-a1c1-36df6f1031f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputCapRateMember_b183de4d-056a-4fae-bc7c-0271ddf8d1dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputCapRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_1e21e930-fe57-4646-a1c1-36df6f1031f6" xlink:to="loc_us-gaap_MeasurementInputCapRateMember_b183de4d-056a-4fae-bc7c-0271ddf8d1dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputDiscountRateMember_e1f5fd2b-47c9-4ea8-8385-6c9aaf5a147e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputDiscountRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_1e21e930-fe57-4646-a1c1-36df6f1031f6" xlink:to="loc_us-gaap_MeasurementInputDiscountRateMember_e1f5fd2b-47c9-4ea8-8385-6c9aaf5a147e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_MeasurementInputMarketRentsPerSquareFootMemberMember_e25a2ddf-7dcb-4693-b1f6-2a9cde340c9e" xlink:href="mac-20250331.xsd#mac_MeasurementInputMarketRentsPerSquareFootMemberMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_1e21e930-fe57-4646-a1c1-36df6f1031f6" xlink:to="loc_mac_MeasurementInputMarketRentsPerSquareFootMemberMember_e25a2ddf-7dcb-4693-b1f6-2a9cde340c9e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueAxis_897e562f-1f41-4d5b-817d-4c637ab13157" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationTechniqueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3a253c84-f22e-4c39-be6e-9416514df4de" xlink:to="loc_us-gaap_ValuationTechniqueAxis_897e562f-1f41-4d5b-817d-4c637ab13157" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_897e562f-1f41-4d5b-817d-4c637ab13157_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationTechniqueAxis_897e562f-1f41-4d5b-817d-4c637ab13157" xlink:to="loc_us-gaap_ValuationTechniqueDomain_897e562f-1f41-4d5b-817d-4c637ab13157_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_abfcba2c-c177-4dd3-97e4-66bd69247d2b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationTechniqueAxis_897e562f-1f41-4d5b-817d-4c637ab13157" xlink:to="loc_us-gaap_ValuationTechniqueDomain_abfcba2c-c177-4dd3-97e4-66bd69247d2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeApproachValuationTechniqueMember_d6b4eaea-f55b-4d4b-bbd2-71b7e6ef721d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeApproachValuationTechniqueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain_abfcba2c-c177-4dd3-97e4-66bd69247d2b" xlink:to="loc_us-gaap_IncomeApproachValuationTechniqueMember_d6b4eaea-f55b-4d4b-bbd2-71b7e6ef721d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_99834c51-e78d-4e35-9759-4e6be05b7aea" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_3a253c84-f22e-4c39-be6e-9416514df4de" xlink:to="loc_srt_RangeAxis_99834c51-e78d-4e35-9759-4e6be05b7aea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_99834c51-e78d-4e35-9759-4e6be05b7aea_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_99834c51-e78d-4e35-9759-4e6be05b7aea" xlink:to="loc_srt_RangeMember_99834c51-e78d-4e35-9759-4e6be05b7aea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_1c9ea0bf-d834-4bf6-985d-4ab5875872bf" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_99834c51-e78d-4e35-9759-4e6be05b7aea" xlink:to="loc_srt_RangeMember_1c9ea0bf-d834-4bf6-985d-4ab5875872bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_83644fbb-93dc-41c0-89b8-4bbd98ef3971" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_1c9ea0bf-d834-4bf6-985d-4ab5875872bf" xlink:to="loc_srt_MinimumMember_83644fbb-93dc-41c0-89b8-4bbd98ef3971" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_1c7d6cc0-96cb-4aa6-a2ce-7e7562fa467d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_1c9ea0bf-d834-4bf6-985d-4ab5875872bf" xlink:to="loc_srt_MaximumMember_1c7d6cc0-96cb-4aa6-a2ce-7e7562fa467d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationNonproduction_590ad39f-04a4-4c5b-922c-b603f0ff4d93" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationNonproduction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3566517b-3f7a-4fd3-84d0-b13b9a2da2e7" xlink:to="loc_us-gaap_DepreciationNonproduction_590ad39f-04a4-4c5b-922c-b603f0ff4d93" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRealEstateOwnedMeasurementInput_0c2c08db-3443-46cf-8f3e-13b133d03629" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherRealEstateOwnedMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3566517b-3f7a-4fd3-84d0-b13b9a2da2e7" xlink:to="loc_us-gaap_OtherRealEstateOwnedMeasurementInput_0c2c08db-3443-46cf-8f3e-13b133d03629" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/PropertynetScheduleofGainLossonSaleorWriteDownofAssetsDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#PropertynetScheduleofGainLossonSaleorWriteDownofAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/PropertynetScheduleofGainLossonSaleorWriteDownofAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_62df6470-a671-4bbe-9d02-6d07b2aabcf1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_805bff11-1d26-454a-b88f-2f848abe168d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_62df6470-a671-4bbe-9d02-6d07b2aabcf1" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_805bff11-1d26-454a-b88f-2f848abe168d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_aded3fdb-f7da-4f78-92ac-a618a2067c1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_805bff11-1d26-454a-b88f-2f848abe168d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_aded3fdb-f7da-4f78-92ac-a618a2067c1a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_aded3fdb-f7da-4f78-92ac-a618a2067c1a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_aded3fdb-f7da-4f78-92ac-a618a2067c1a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_aded3fdb-f7da-4f78-92ac-a618a2067c1a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1c13a95d-ff2c-4110-b930-adb2f2dae923" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_aded3fdb-f7da-4f78-92ac-a618a2067c1a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1c13a95d-ff2c-4110-b930-adb2f2dae923" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingMember_9f914ec9-66f1-4a65-b97a-53e04ac69118" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1c13a95d-ff2c-4110-b930-adb2f2dae923" xlink:to="loc_us-gaap_BuildingMember_9f914ec9-66f1-4a65-b97a-53e04ac69118" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_46436457-cae4-423c-9046-778c93f13dc7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_1c13a95d-ff2c-4110-b930-adb2f2dae923" xlink:to="loc_us-gaap_LandMember_46436457-cae4-423c-9046-778c93f13dc7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0886c586-57d1-40a9-8461-f7f5215afc94" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_805bff11-1d26-454a-b88f-2f848abe168d" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0886c586-57d1-40a9-8461-f7f5215afc94" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0886c586-57d1-40a9-8461-f7f5215afc94_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0886c586-57d1-40a9-8461-f7f5215afc94" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0886c586-57d1-40a9-8461-f7f5215afc94_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4a5e7b8b-6fd3-4d9b-b1e8-9389f2a7fe15" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0886c586-57d1-40a9-8461-f7f5215afc94" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4a5e7b8b-6fd3-4d9b-b1e8-9389f2a7fe15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FairValueAdjustmentOnCertainPropertiesMember_9e1c1b46-033e-4399-9cfe-82042d9b9087" xlink:href="mac-20250331.xsd#mac_FairValueAdjustmentOnCertainPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4a5e7b8b-6fd3-4d9b-b1e8-9389f2a7fe15" xlink:to="loc_mac_FairValueAdjustmentOnCertainPropertiesMember_9e1c1b46-033e-4399-9cfe-82042d9b9087" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_WiltonMallMember_8c76bb71-4e78-4de6-8a9a-a9f0c2681f99" xlink:href="mac-20250331.xsd#mac_WiltonMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4a5e7b8b-6fd3-4d9b-b1e8-9389f2a7fe15" xlink:to="loc_mac_WiltonMallMember_8c76bb71-4e78-4de6-8a9a-a9f0c2681f99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_TowneMallMember_bb1adfb1-3034-4af9-a17e-0880507e56f0" xlink:href="mac-20250331.xsd#mac_TowneMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_4a5e7b8b-6fd3-4d9b-b1e8-9389f2a7fe15" xlink:to="loc_mac_TowneMallMember_bb1adfb1-3034-4af9-a17e-0880507e56f0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_77635171-ebcb-400c-91ae-80da45f7aa9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_62df6470-a671-4bbe-9d02-6d07b2aabcf1" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_77635171-ebcb-400c-91ae-80da45f7aa9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfRealEstate_3b07cb4e-d323-4b12-984e-1f32244a2d53" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_62df6470-a671-4bbe-9d02-6d07b2aabcf1" xlink:to="loc_us-gaap_ImpairmentOfRealEstate_3b07cb4e-d323-4b12-984e-1f32244a2d53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_b8ccf673-badf-4785-8149-75293cd9fbb4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_62df6470-a671-4bbe-9d02-6d07b2aabcf1" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_b8ccf673-badf-4785-8149-75293cd9fbb4" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/PropertynetScheduleofAssetsMeasuredonaNonrecurringBasisDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#PropertynetScheduleofAssetsMeasuredonaNonrecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/PropertynetScheduleofAssetsMeasuredonaNonrecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1eec1ef8-d04b-4ac9-9de6-89638d0ee14c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7dccd5d0-4cd9-4314-a4f3-14c2335c89b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1eec1ef8-d04b-4ac9-9de6-89638d0ee14c" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7dccd5d0-4cd9-4314-a4f3-14c2335c89b3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_5d9fbcb9-e735-4436-8a9b-c7fb12fd77b1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7dccd5d0-4cd9-4314-a4f3-14c2335c89b3" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_5d9fbcb9-e735-4436-8a9b-c7fb12fd77b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_5d9fbcb9-e735-4436-8a9b-c7fb12fd77b1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_5d9fbcb9-e735-4436-8a9b-c7fb12fd77b1" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_5d9fbcb9-e735-4436-8a9b-c7fb12fd77b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_b291f57d-e56f-4c86-bb6c-11ffc51aed92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_5d9fbcb9-e735-4436-8a9b-c7fb12fd77b1" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_b291f57d-e56f-4c86-bb6c-11ffc51aed92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_95207e56-5c70-4f10-9fae-3bbdd850f899" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsNonrecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_b291f57d-e56f-4c86-bb6c-11ffc51aed92" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_95207e56-5c70-4f10-9fae-3bbdd850f899" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_eac1c825-cc23-40a8-a167-6f3a7cf90e7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7dccd5d0-4cd9-4314-a4f3-14c2335c89b3" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_eac1c825-cc23-40a8-a167-6f3a7cf90e7e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_eac1c825-cc23-40a8-a167-6f3a7cf90e7e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_eac1c825-cc23-40a8-a167-6f3a7cf90e7e" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_eac1c825-cc23-40a8-a167-6f3a7cf90e7e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a00607df-9d7b-4be0-8040-987f9e4d01d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_eac1c825-cc23-40a8-a167-6f3a7cf90e7e" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a00607df-9d7b-4be0-8040-987f9e4d01d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_7bbd3def-5a98-4172-9f52-15f3fe2111e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a00607df-9d7b-4be0-8040-987f9e4d01d1" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_7bbd3def-5a98-4172-9f52-15f3fe2111e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_cdaeba35-829c-4195-b865-c0d0aab19227" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a00607df-9d7b-4be0-8040-987f9e4d01d1" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_cdaeba35-829c-4195-b865-c0d0aab19227" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_5b2a783c-bc73-40a0-8287-c2982eca3705" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a00607df-9d7b-4be0-8040-987f9e4d01d1" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_5b2a783c-bc73-40a0-8287-c2982eca3705" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_03bfb3ba-85ef-4de4-bfaf-638b1672625b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1eec1ef8-d04b-4ac9-9de6-89638d0ee14c" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_03bfb3ba-85ef-4de4-bfaf-638b1672625b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/TenantandOtherReceivablesnetDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#TenantandOtherReceivablesnetDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/TenantandOtherReceivablesnetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2453a968-ebac-42da-a5b7-15c0732e0f40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_d9bb1300-37d4-4bdc-8e5c-66d4506e858c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2453a968-ebac-42da-a5b7-15c0732e0f40" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_d9bb1300-37d4-4bdc-8e5c-66d4506e858c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_5159d0f4-02ea-4317-8da7-345cfc48a0b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_d9bb1300-37d4-4bdc-8e5c-66d4506e858c" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_5159d0f4-02ea-4317-8da7-345cfc48a0b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_5159d0f4-02ea-4317-8da7-345cfc48a0b2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_5159d0f4-02ea-4317-8da7-345cfc48a0b2" xlink:to="loc_us-gaap_ReceivableTypeDomain_5159d0f4-02ea-4317-8da7-345cfc48a0b2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_2d80ecc0-eae8-4b5c-b8df-95ef28ca4415" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_5159d0f4-02ea-4317-8da7-345cfc48a0b2" xlink:to="loc_us-gaap_ReceivableTypeDomain_2d80ecc0-eae8-4b5c-b8df-95ef28ca4415" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeReceivableMember_9864ac3a-817c-4c9c-8a30-33ceb8f7627c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedIncomeReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_2d80ecc0-eae8-4b5c-b8df-95ef28ca4415" xlink:to="loc_us-gaap_AccruedIncomeReceivableMember_9864ac3a-817c-4c9c-8a30-33ceb8f7627c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_f3496950-58ce-4624-b150-4f596a1edc58" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2453a968-ebac-42da-a5b7-15c0732e0f40" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_f3496950-58ce-4624-b150-4f596a1edc58" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGross_d03f1b37-5411-4579-9a53-2a368b885d6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2453a968-ebac-42da-a5b7-15c0732e0f40" xlink:to="loc_us-gaap_AccountsReceivableGross_d03f1b37-5411-4579-9a53-2a368b885d6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRentReceivablesNet_14d999d4-2ce1-40a0-b249-9422f34efa61" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredRentReceivablesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2453a968-ebac-42da-a5b7-15c0732e0f40" xlink:to="loc_us-gaap_DeferredRentReceivablesNet_14d999d4-2ce1-40a0-b249-9422f34efa61" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/DeferredChargesandOtherAssetsnetScheduleofDeferredChargesandOtherAssetsNetDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#DeferredChargesandOtherAssetsnetScheduleofDeferredChargesandOtherAssetsNetDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/DeferredChargesandOtherAssetsnetScheduleofDeferredChargesandOtherAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7cf60bca-d1eb-4818-a68e-53e91ebe520a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_ec806a8d-1f66-4f88-9114-dde68c844a80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7cf60bca-d1eb-4818-a68e-53e91ebe520a" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_ec806a8d-1f66-4f88-9114-dde68c844a80" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_957f0c62-f493-40b9-b501-ee190e4a835d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_ec806a8d-1f66-4f88-9114-dde68c844a80" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_957f0c62-f493-40b9-b501-ee190e4a835d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_957f0c62-f493-40b9-b501-ee190e4a835d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_957f0c62-f493-40b9-b501-ee190e4a835d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_957f0c62-f493-40b9-b501-ee190e4a835d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_678fcd96-ec93-4f50-8d51-3ac66c65a138" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_957f0c62-f493-40b9-b501-ee190e4a835d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_678fcd96-ec93-4f50-8d51-3ac66c65a138" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMember_8a96d393-58d8-46eb-b95f-177084f87992" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeasesAcquiredInPlaceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_678fcd96-ec93-4f50-8d51-3ac66c65a138" xlink:to="loc_us-gaap_LeasesAcquiredInPlaceMember_8a96d393-58d8-46eb-b95f-177084f87992" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_3f27a9dd-2272-4433-ab46-275ccf59c622" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7cf60bca-d1eb-4818-a68e-53e91ebe520a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_3f27a9dd-2272-4433-ab46-275ccf59c622" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_4c376843-049d-493b-96b7-fae5c33136cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7cf60bca-d1eb-4818-a68e-53e91ebe520a" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_4c376843-049d-493b-96b7-fae5c33136cd" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/DeferredChargesandOtherAssetsnetScheduleofAllocatedValuesofAboveMarketLeasesandBelowMarketLeasesDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#DeferredChargesandOtherAssetsnetScheduleofAllocatedValuesofAboveMarketLeasesandBelowMarketLeasesDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/DeferredChargesandOtherAssetsnetScheduleofAllocatedValuesofAboveMarketLeasesandBelowMarketLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_5d0fdc0c-8ee8-4520-8b5c-5d2db665b2a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_1b3c5721-14a7-4775-8d01-7f28d0a26bb8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_5d0fdc0c-8ee8-4520-8b5c-5d2db665b2a4" xlink:to="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_1b3c5721-14a7-4775-8d01-7f28d0a26bb8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b7902da7-7eb1-4919-9148-3fe9ddd85828" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_1b3c5721-14a7-4775-8d01-7f28d0a26bb8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b7902da7-7eb1-4919-9148-3fe9ddd85828" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b7902da7-7eb1-4919-9148-3fe9ddd85828_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b7902da7-7eb1-4919-9148-3fe9ddd85828" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b7902da7-7eb1-4919-9148-3fe9ddd85828_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_c0e2b102-1f90-43b9-8e49-545749da6fc5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b7902da7-7eb1-4919-9148-3fe9ddd85828" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_c0e2b102-1f90-43b9-8e49-545749da6fc5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AboveMarketLeasesMember_9a34f499-d286-4fa3-a49f-f7cba581bdd1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AboveMarketLeasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_c0e2b102-1f90-43b9-8e49-545749da6fc5" xlink:to="loc_us-gaap_AboveMarketLeasesMember_9a34f499-d286-4fa3-a49f-f7cba581bdd1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_AboveMarketLeasesAbstract_a5ead2f4-4e1c-4229-abaf-7e556bc442c2" xlink:href="mac-20250331.xsd#mac_AboveMarketLeasesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_5d0fdc0c-8ee8-4520-8b5c-5d2db665b2a4" xlink:to="loc_mac_AboveMarketLeasesAbstract_a5ead2f4-4e1c-4229-abaf-7e556bc442c2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_7369db36-6e7c-43b0-8199-d74f23aa9dde" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_AboveMarketLeasesAbstract_a5ead2f4-4e1c-4229-abaf-7e556bc442c2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_7369db36-6e7c-43b0-8199-d74f23aa9dde" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_48183413-439c-484e-9f3d-18b4c78bf1f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_AboveMarketLeasesAbstract_a5ead2f4-4e1c-4229-abaf-7e556bc442c2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_48183413-439c-484e-9f3d-18b4c78bf1f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_135b8985-8a18-4adb-9b7e-357bb41c6905" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_AboveMarketLeasesAbstract_a5ead2f4-4e1c-4229-abaf-7e556bc442c2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_135b8985-8a18-4adb-9b7e-357bb41c6905" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BelowMarketLeaseAbstract_96e5db4d-51ee-4a62-bfd2-8d307b10265e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BelowMarketLeaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_5d0fdc0c-8ee8-4520-8b5c-5d2db665b2a4" xlink:to="loc_us-gaap_BelowMarketLeaseAbstract_96e5db4d-51ee-4a62-bfd2-8d307b10265e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BelowMarketLeaseGross_8b3e9a27-1372-4489-9522-6f25fed00e25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BelowMarketLeaseGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BelowMarketLeaseAbstract_96e5db4d-51ee-4a62-bfd2-8d307b10265e" xlink:to="loc_us-gaap_BelowMarketLeaseGross_8b3e9a27-1372-4489-9522-6f25fed00e25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BelowMarketLeaseAccumulatedAmortization_d420ce65-761f-49b7-b5b1-fc76db025af8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BelowMarketLeaseAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BelowMarketLeaseAbstract_96e5db4d-51ee-4a62-bfd2-8d307b10265e" xlink:to="loc_us-gaap_BelowMarketLeaseAccumulatedAmortization_d420ce65-761f-49b7-b5b1-fc76db025af8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BelowMarketLeaseNet_cecd0a94-d9b9-4c32-8fa7-011da34d7bc6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BelowMarketLeaseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BelowMarketLeaseAbstract_96e5db4d-51ee-4a62-bfd2-8d307b10265e" xlink:to="loc_us-gaap_BelowMarketLeaseNet_cecd0a94-d9b9-4c32-8fa7-011da34d7bc6" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/MortgageNotesPayableScheduleofMortgageNotesPayableDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#MortgageNotesPayableScheduleofMortgageNotesPayableDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/MortgageNotesPayableScheduleofMortgageNotesPayableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_fa5da44b-d34c-4d0f-8db5-325b1d580ba6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_b85d5bb1-5671-4d9a-b5b5-6dc792be6517" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa5da44b-d34c-4d0f-8db5-325b1d580ba6" xlink:to="loc_us-gaap_DebtInstrumentTable_b85d5bb1-5671-4d9a-b5b5-6dc792be6517" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_017ba0e3-d466-43c0-91b6-4242bc055abe" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b85d5bb1-5671-4d9a-b5b5-6dc792be6517" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_017ba0e3-d466-43c0-91b6-4242bc055abe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_017ba0e3-d466-43c0-91b6-4242bc055abe_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_017ba0e3-d466-43c0-91b6-4242bc055abe" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_017ba0e3-d466-43c0-91b6-4242bc055abe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_017ba0e3-d466-43c0-91b6-4242bc055abe" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_7e954c1d-2e0f-4e59-aa78-159e8ff5cc90" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_ArrowheadTowneCenterMember_7e954c1d-2e0f-4e59-aa78-159e8ff5cc90" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DanburyFairMallMortgageMember_136f13df-da20-46ee-8171-f6d51f1fe1cc" xlink:href="mac-20250331.xsd#mac_DanburyFairMallMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_DanburyFairMallMortgageMember_136f13df-da20-46ee-8171-f6d51f1fe1cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FashionOutletsOfChicagoMortgageMember_1dccce37-8fdd-4649-bb17-a3ad606ff5cb" xlink:href="mac-20250331.xsd#mac_FashionOutletsOfChicagoMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_FashionOutletsOfChicagoMortgageMember_1dccce37-8fdd-4649-bb17-a3ad606ff5cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FashionOutletsAtNiagaraMortgageMember_1aa9aaf4-46fb-44e9-99e9-5ab4433d5aad" xlink:href="mac-20250331.xsd#mac_FashionOutletsAtNiagaraMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_FashionOutletsAtNiagaraMortgageMember_1aa9aaf4-46fb-44e9-99e9-5ab4433d5aad" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FreeholdRacewayMallMortgageMember_18f54c03-b77b-452a-8403-659d76e424ca" xlink:href="mac-20250331.xsd#mac_FreeholdRacewayMallMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_FreeholdRacewayMallMortgageMember_18f54c03-b77b-452a-8403-659d76e424ca" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FresnoFashionFairMember_af7e9acf-ecfa-4eb0-91c0-10dafc0891bb" xlink:href="mac-20250331.xsd#mac_FresnoFashionFairMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_FresnoFashionFairMember_af7e9acf-ecfa-4eb0-91c0-10dafc0891bb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_GreenAcresMallMember_b9280f03-03c2-4141-bd06-01f18ea6b760" xlink:href="mac-20250331.xsd#mac_GreenAcresMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_GreenAcresMallMember_b9280f03-03c2-4141-bd06-01f18ea6b760" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_KingsPlazaMortgageMember_723734ed-40d0-4a40-b3b0-1643685e0870" xlink:href="mac-20250331.xsd#mac_KingsPlazaMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_KingsPlazaMortgageMember_723734ed-40d0-4a40-b3b0-1643685e0870" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LakewoodCenterMember_e8912ea2-e5b4-4a19-9d33-090af94aceeb" xlink:href="mac-20250331.xsd#mac_LakewoodCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_LakewoodCenterMember_e8912ea2-e5b4-4a19-9d33-090af94aceeb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LosCerritosCenterMember_8e63cbbc-b0dc-4e84-a1be-a89c416fec19" xlink:href="mac-20250331.xsd#mac_LosCerritosCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_LosCerritosCenterMember_8e63cbbc-b0dc-4e84-a1be-a89c416fec19" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PacificViewMortgageMember_49a23c55-afc5-4e75-ace3-9ad0c4c639c8" xlink:href="mac-20250331.xsd#mac_PacificViewMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_PacificViewMortgageMember_49a23c55-afc5-4e75-ace3-9ad0c4c639c8" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_QueensCenterMember_492551b6-20c4-45e6-9792-c3d7ef0dfd55" xlink:href="mac-20250331.xsd#mac_QueensCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_QueensCenterMember_492551b6-20c4-45e6-9792-c3d7ef0dfd55" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SantaMonicaPlaceMortgageMember_4f1b029e-6456-40dc-8032-aa0eca0a7805" xlink:href="mac-20250331.xsd#mac_SantaMonicaPlaceMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_SantaMonicaPlaceMortgageMember_4f1b029e-6456-40dc-8032-aa0eca0a7805" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SanTanVillageRegionalCenterMortgageMember_eba9edac-3ca5-429e-a595-52f0684a6f4b" xlink:href="mac-20250331.xsd#mac_SanTanVillageRegionalCenterMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_SanTanVillageRegionalCenterMortgageMember_eba9edac-3ca5-429e-a595-52f0684a6f4b" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_658769fe-9a84-4237-a11f-c48b8f93276b" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_SouthPlainsMallMember_658769fe-9a84-4237-a11f-c48b8f93276b" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_MallOfVictorValleyMortgageMember_de6b6e61-08a9-4a44-a688-6f7a311ff93d" xlink:href="mac-20250331.xsd#mac_MallOfVictorValleyMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_MallOfVictorValleyMortgageMember_de6b6e61-08a9-4a44-a688-6f7a311ff93d" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_VintageFaireMallMortgageMember_e1d478c4-5059-47a9-afce-7f190eeac05a" xlink:href="mac-20250331.xsd#mac_VintageFaireMallMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_VintageFaireMallMortgageMember_e1d478c4-5059-47a9-afce-7f190eeac05a" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_WashingtonSquareMember_6748cd7e-8be9-401c-9640-61d5923babe1" xlink:href="mac-20250331.xsd#mac_WashingtonSquareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_eff9ae44-c1a1-4aba-afa2-ca33b102e723" xlink:to="loc_mac_WashingtonSquareMember_6748cd7e-8be9-401c-9640-61d5923babe1" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_9eeccb29-3f6e-4fd8-8e92-e5265d9fde74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa5da44b-d34c-4d0f-8db5-325b1d580ba6" xlink:to="loc_us-gaap_LongTermDebt_9eeccb29-3f6e-4fd8-8e92-e5265d9fde74" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_01a56bb2-e04f-4278-abdd-8fbd02ec288e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa5da44b-d34c-4d0f-8db5-325b1d580ba6" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_01a56bb2-e04f-4278-abdd-8fbd02ec288e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPayment_ab936ce8-ae9f-4b57-9f91-7fe3f26a132a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentPeriodicPayment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa5da44b-d34c-4d0f-8db5-325b1d580ba6" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPayment_ab936ce8-ae9f-4b57-9f91-7fe3f26a132a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/MortgageNotesPayableFootnotesDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#MortgageNotesPayableFootnotesDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/MortgageNotesPayableFootnotesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_2e94bb53-d133-43a2-9098-10fde03ac8dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_DebtInstrumentTable_2e94bb53-d133-43a2-9098-10fde03ac8dc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_ee179a9d-7ad5-4449-84ce-802cfb6e1823" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2e94bb53-d133-43a2-9098-10fde03ac8dc" xlink:to="loc_us-gaap_AssetAcquisitionAxis_ee179a9d-7ad5-4449-84ce-802cfb6e1823" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_ee179a9d-7ad5-4449-84ce-802cfb6e1823_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_ee179a9d-7ad5-4449-84ce-802cfb6e1823" xlink:to="loc_us-gaap_AssetAcquisitionDomain_ee179a9d-7ad5-4449-84ce-802cfb6e1823_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_c96bbc73-77bb-4c5b-9034-80f1ae54af44" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_ee179a9d-7ad5-4449-84ce-802cfb6e1823" xlink:to="loc_us-gaap_AssetAcquisitionDomain_c96bbc73-77bb-4c5b-9034-80f1ae54af44" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_af76df6f-083b-4cfc-879d-9671518907d7" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_c96bbc73-77bb-4c5b-9034-80f1ae54af44" xlink:to="loc_mac_ArrowheadTowneCenterMember_af76df6f-083b-4cfc-879d-9671518907d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LakewoodCenterMember_39efd92b-89bd-410a-bf4c-04ed2e2866dd" xlink:href="mac-20250331.xsd#mac_LakewoodCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_c96bbc73-77bb-4c5b-9034-80f1ae54af44" xlink:to="loc_mac_LakewoodCenterMember_39efd92b-89bd-410a-bf4c-04ed2e2866dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_7191c1e9-b824-4e21-a845-8425112bae22" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_c96bbc73-77bb-4c5b-9034-80f1ae54af44" xlink:to="loc_mac_SouthPlainsMallMember_7191c1e9-b824-4e21-a845-8425112bae22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LosCerritosCenterMember_411c95d1-e222-4965-a86c-af36c8167374" xlink:href="mac-20250331.xsd#mac_LosCerritosCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_c96bbc73-77bb-4c5b-9034-80f1ae54af44" xlink:to="loc_mac_LosCerritosCenterMember_411c95d1-e222-4965-a86c-af36c8167374" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e0c8b9af-539f-4441-ac9b-e843a7961da8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2e94bb53-d133-43a2-9098-10fde03ac8dc" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e0c8b9af-539f-4441-ac9b-e843a7961da8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_e0c8b9af-539f-4441-ac9b-e843a7961da8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e0c8b9af-539f-4441-ac9b-e843a7961da8" xlink:to="loc_us-gaap_RelatedPartyDomain_e0c8b9af-539f-4441-ac9b-e843a7961da8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_ba0584fb-a508-4666-976f-20601b9f0869" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e0c8b9af-539f-4441-ac9b-e843a7961da8" xlink:to="loc_us-gaap_RelatedPartyDomain_ba0584fb-a508-4666-976f-20601b9f0869" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_e9e5102b-6313-4761-96df-9d0376e99ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_ba0584fb-a508-4666-976f-20601b9f0869" xlink:to="loc_us-gaap_CorporateJointVentureMember_e9e5102b-6313-4761-96df-9d0376e99ab4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_abd99974-91e6-4ae2-abee-50ed22a4ce28" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2e94bb53-d133-43a2-9098-10fde03ac8dc" xlink:to="loc_srt_CounterpartyNameAxis_abd99974-91e6-4ae2-abee-50ed22a4ce28" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_abd99974-91e6-4ae2-abee-50ed22a4ce28_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_abd99974-91e6-4ae2-abee-50ed22a4ce28" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_abd99974-91e6-4ae2-abee-50ed22a4ce28_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5871bc77-c081-4ee3-bbeb-523ec4b37196" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_abd99974-91e6-4ae2-abee-50ed22a4ce28" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5871bc77-c081-4ee3-bbeb-523ec4b37196" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ThirdPartyMember_a626ec26-36db-41d3-ab4b-d8038e01ae68" xlink:href="mac-20250331.xsd#mac_ThirdPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5871bc77-c081-4ee3-bbeb-523ec4b37196" xlink:to="loc_mac_ThirdPartyMember_a626ec26-36db-41d3-ab4b-d8038e01ae68" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a3ed0842-e4ed-46e9-bf39-13dc59ff533b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2e94bb53-d133-43a2-9098-10fde03ac8dc" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a3ed0842-e4ed-46e9-bf39-13dc59ff533b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_a3ed0842-e4ed-46e9-bf39-13dc59ff533b_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a3ed0842-e4ed-46e9-bf39-13dc59ff533b" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_a3ed0842-e4ed-46e9-bf39-13dc59ff533b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a3ed0842-e4ed-46e9-bf39-13dc59ff533b" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_0dbfa353-cf8b-48d8-8f15-1771c9793eff" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_ArrowheadTowneCenterMember_0dbfa353-cf8b-48d8-8f15-1771c9793eff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LakewoodCenterMember_c9d1d17a-02a2-42f6-bdee-8a3da5914e0c" xlink:href="mac-20250331.xsd#mac_LakewoodCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_LakewoodCenterMember_c9d1d17a-02a2-42f6-bdee-8a3da5914e0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LosCerritosCenterMember_9d1bb51b-4742-4df9-8251-677598984182" xlink:href="mac-20250331.xsd#mac_LosCerritosCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_LosCerritosCenterMember_9d1bb51b-4742-4df9-8251-677598984182" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_b934813d-6224-4710-a7c7-9f6e78a590ca" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_SouthPlainsMallMember_b934813d-6224-4710-a7c7-9f6e78a590ca" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DanburyFairMallMember_8a90c5fb-617d-4480-9d54-4a84b7af47ee" xlink:href="mac-20250331.xsd#mac_DanburyFairMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_DanburyFairMallMember_8a90c5fb-617d-4480-9d54-4a84b7af47ee" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FashionOutletsAtNiagaraMortgageMember_008dc346-9d24-4c9a-9757-7153cb588833" xlink:href="mac-20250331.xsd#mac_FashionOutletsAtNiagaraMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_FashionOutletsAtNiagaraMortgageMember_008dc346-9d24-4c9a-9757-7153cb588833" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_QueensCenterMember_624f005a-9275-4825-a939-60f242d8f6af" xlink:href="mac-20250331.xsd#mac_QueensCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_QueensCenterMember_624f005a-9275-4825-a939-60f242d8f6af" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SantaMonicaPlaceMember_471542c2-22f1-4fe6-8337-c77db42f0e9a" xlink:href="mac-20250331.xsd#mac_SantaMonicaPlaceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_SantaMonicaPlaceMember_471542c2-22f1-4fe6-8337-c77db42f0e9a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_WashingtonSquareMember_03e41979-084b-4cd1-a253-beb4a057d3ae" xlink:href="mac-20250331.xsd#mac_WashingtonSquareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5bec578e-6dfe-44b7-a0ca-19b20fe05da4" xlink:to="loc_mac_WashingtonSquareMember_03e41979-084b-4cd1-a253-beb4a057d3ae" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_f498eae9-d6b7-43aa-a3b2-f8212ce72343" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_f498eae9-d6b7-43aa-a3b2-f8212ce72343" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_1eec0a65-6f8f-40e8-a3c1-4778a91ac510" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_1eec0a65-6f8f-40e8-a3c1-4778a91ac510" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureOwnershipPercentAcquired_74028373-765f-49c6-9837-c1ed4a7d0dc3" xlink:href="mac-20250331.xsd#mac_JointVentureOwnershipPercentAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_mac_JointVentureOwnershipPercentAcquired_74028373-765f-49c6-9837-c1ed4a7d0dc3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_AssetAcquisitionPercentageOfSharesOwned_88b85bea-1844-49d9-a754-272c78236fe6" xlink:href="mac-20250331.xsd#mac_AssetAcquisitionPercentageOfSharesOwned"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_mac_AssetAcquisitionPercentageOfSharesOwned_88b85bea-1844-49d9-a754-272c78236fe6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_417f3a4f-b40e-420f-8442-15c33af3a351" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_417f3a4f-b40e-420f-8442-15c33af3a351" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_3e43887b-151d-4445-82f5-d741a38b0e71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_3e43887b-151d-4445-82f5-d741a38b0e71" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DebtInstrumentExtensionTerm_9baa3322-d936-4947-9744-e669fde6242c" xlink:href="mac-20250331.xsd#mac_DebtInstrumentExtensionTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_mac_DebtInstrumentExtensionTerm_9baa3322-d936-4947-9744-e669fde6242c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_1173a28b-83cb-490d-9724-07cd15df1395" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_1173a28b-83cb-490d-9724-07cd15df1395" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_efdd1292-eb01-4c57-8880-d49429c9d8ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_efdd1292-eb01-4c57-8880-d49429c9d8ec" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_bf913b67-a5c2-4d29-9995-efa606e68079" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_us-gaap_DebtInstrumentTerm_bf913b67-a5c2-4d29-9995-efa606e68079" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DebtInstrumentDebtDefaultInterestRate_e9f81bfe-ccf3-4015-94af-fe1cbe9fad06" xlink:href="mac-20250331.xsd#mac_DebtInstrumentDebtDefaultInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c5be9e8-425a-4f9c-a891-557b6f420837" xlink:to="loc_mac_DebtInstrumentDebtDefaultInterestRate_e9f81bfe-ccf3-4015-94af-fe1cbe9fad06" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/BankandOtherNotesPayableDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#BankandOtherNotesPayableDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/BankandOtherNotesPayableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_38470c17-3ab3-4525-992f-9f802fb7ce17" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_us-gaap_DebtInstrumentTable_38470c17-3ab3-4525-992f-9f802fb7ce17" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_45564704-e21b-42e3-9c34-00064f95c7bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_38470c17-3ab3-4525-992f-9f802fb7ce17" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_45564704-e21b-42e3-9c34-00064f95c7bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_45564704-e21b-42e3-9c34-00064f95c7bc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_45564704-e21b-42e3-9c34-00064f95c7bc" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_45564704-e21b-42e3-9c34-00064f95c7bc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9bf3d102-b26e-4605-b166-2bba0d933991" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_45564704-e21b-42e3-9c34-00064f95c7bc" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9bf3d102-b26e-4605-b166-2bba0d933991" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_276743b3-58d8-48ac-bf4b-e99db2f91d68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9bf3d102-b26e-4605-b166-2bba0d933991" xlink:to="loc_us-gaap_LineOfCreditMember_276743b3-58d8-48ac-bf4b-e99db2f91d68" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_e3a9a91e-cdd6-4381-b919-b76320c1fe0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_38470c17-3ab3-4525-992f-9f802fb7ce17" xlink:to="loc_us-gaap_DebtInstrumentAxis_e3a9a91e-cdd6-4381-b919-b76320c1fe0a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_e3a9a91e-cdd6-4381-b919-b76320c1fe0a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_e3a9a91e-cdd6-4381-b919-b76320c1fe0a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_e3a9a91e-cdd6-4381-b919-b76320c1fe0a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_da478cbc-48b1-4f93-a0bc-e491c3f11bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_e3a9a91e-cdd6-4381-b919-b76320c1fe0a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_da478cbc-48b1-4f93-a0bc-e491c3f11bb5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_RevolvingLoanFacilityMaturesOnFebruary12027Member_aa1047b6-6f38-46d3-a5a7-f3a9a5a01458" xlink:href="mac-20250331.xsd#mac_RevolvingLoanFacilityMaturesOnFebruary12027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_da478cbc-48b1-4f93-a0bc-e491c3f11bb5" xlink:to="loc_mac_RevolvingLoanFacilityMaturesOnFebruary12027Member_aa1047b6-6f38-46d3-a5a7-f3a9a5a01458" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_d7bc7658-9d6f-4255-a253-f04fdc2bdca0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_38470c17-3ab3-4525-992f-9f802fb7ce17" xlink:to="loc_us-gaap_CreditFacilityAxis_d7bc7658-9d6f-4255-a253-f04fdc2bdca0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_d7bc7658-9d6f-4255-a253-f04fdc2bdca0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_d7bc7658-9d6f-4255-a253-f04fdc2bdca0" xlink:to="loc_us-gaap_CreditFacilityDomain_d7bc7658-9d6f-4255-a253-f04fdc2bdca0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_af8465bb-f1ca-40cf-aec6-108c005806d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_d7bc7658-9d6f-4255-a253-f04fdc2bdca0" xlink:to="loc_us-gaap_CreditFacilityDomain_af8465bb-f1ca-40cf-aec6-108c005806d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_0688e895-e830-4ca1-9fb2-948828f54cd7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_af8465bb-f1ca-40cf-aec6-108c005806d7" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_0688e895-e830-4ca1-9fb2-948828f54cd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_0087da30-74cf-4b77-ba4e-16a0f5cd4009" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_af8465bb-f1ca-40cf-aec6-108c005806d7" xlink:to="loc_us-gaap_LineOfCreditMember_0087da30-74cf-4b77-ba4e-16a0f5cd4009" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b7015cb4-18df-41ae-b01a-4461f3fdabd6" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_38470c17-3ab3-4525-992f-9f802fb7ce17" xlink:to="loc_srt_RangeAxis_b7015cb4-18df-41ae-b01a-4461f3fdabd6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b7015cb4-18df-41ae-b01a-4461f3fdabd6_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b7015cb4-18df-41ae-b01a-4461f3fdabd6" xlink:to="loc_srt_RangeMember_b7015cb4-18df-41ae-b01a-4461f3fdabd6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_f91a5b24-094b-4a97-8f80-7d8c75d56271" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b7015cb4-18df-41ae-b01a-4461f3fdabd6" xlink:to="loc_srt_RangeMember_f91a5b24-094b-4a97-8f80-7d8c75d56271" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_f0f91c06-ac69-4194-89e6-21e28e6e71f2" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f91a5b24-094b-4a97-8f80-7d8c75d56271" xlink:to="loc_srt_MinimumMember_f0f91c06-ac69-4194-89e6-21e28e6e71f2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_b25fbb08-552d-4e1c-ae9c-1b963a8b49db" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f91a5b24-094b-4a97-8f80-7d8c75d56271" xlink:to="loc_srt_MaximumMember_b25fbb08-552d-4e1c-ae9c-1b963a8b49db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_44334403-d03c-494a-ac79-64473f69ae55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_44334403-d03c-494a-ac79-64473f69ae55" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DebtInstrumentExtensionTerm_91df02d3-fb71-4a35-9475-4cc382b882e9" xlink:href="mac-20250331.xsd#mac_DebtInstrumentExtensionTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_mac_DebtInstrumentExtensionTerm_91df02d3-fb71-4a35-9475-4cc382b882e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_f2ccaac8-77c3-4861-a130-b95b531a6f02" xlink:href="mac-20250331.xsd#mac_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_mac_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_f2ccaac8-77c3-4861-a130-b95b531a6f02" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DebtInstrumentLeverageRatioRequirement_10ca6895-4927-4b6d-8fc3-eb11bb61233f" xlink:href="mac-20250331.xsd#mac_DebtInstrumentLeverageRatioRequirement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_mac_DebtInstrumentLeverageRatioRequirement_10ca6895-4927-4b6d-8fc3-eb11bb61233f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DebtInstrumentAdjustmentIncreaseInterest_c08e41a0-d143-4392-8bef-fe88f80e92ca" xlink:href="mac-20250331.xsd#mac_DebtInstrumentAdjustmentIncreaseInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_mac_DebtInstrumentAdjustmentIncreaseInterest_c08e41a0-d143-4392-8bef-fe88f80e92ca" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_cd95aa03-44cd-4823-b51a-41be823b571b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_cd95aa03-44cd-4823-b51a-41be823b571b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_28c23eac-23d6-4b91-a18a-9888bb8b5789" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_28c23eac-23d6-4b91-a18a-9888bb8b5789" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_90566866-9c48-407a-9a80-8a04866e3f1f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1221df7f-4375-4b77-904f-fb39706e8025" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_90566866-9c48-407a-9a80-8a04866e3f1f" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/FinancingArrangementNarrativeDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#FinancingArrangementNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/FinancingArrangementNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:href="mac-20250331.xsd#mac_ScheduleOfJointVenturesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:href="mac-20250331.xsd#mac_ScheduleOfJointVenturesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:to="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_eb73cd78-c8d3-4c47-a0a4-90267ec962b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_eb73cd78-c8d3-4c47-a0a4-90267ec962b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_eb73cd78-c8d3-4c47-a0a4-90267ec962b8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_eb73cd78-c8d3-4c47-a0a4-90267ec962b8" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_eb73cd78-c8d3-4c47-a0a4-90267ec962b8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_c4ad169d-c575-4ccc-ac77-f6bb20e52be4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_eb73cd78-c8d3-4c47-a0a4-90267ec962b8" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_c4ad169d-c575-4ccc-ac77-f6bb20e52be4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FinancingArrangementMember_507f2291-0bd2-46aa-84cf-05adadcd7f1c" xlink:href="mac-20250331.xsd#mac_FinancingArrangementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_c4ad169d-c575-4ccc-ac77-f6bb20e52be4" xlink:to="loc_mac_FinancingArrangementMember_507f2291-0bd2-46aa-84cf-05adadcd7f1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0a0d05cf-3c1f-48c9-bfa9-8996707b2f10" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0a0d05cf-3c1f-48c9-bfa9-8996707b2f10" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0a0d05cf-3c1f-48c9-bfa9-8996707b2f10_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0a0d05cf-3c1f-48c9-bfa9-8996707b2f10" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0a0d05cf-3c1f-48c9-bfa9-8996707b2f10_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_6b0fd5eb-50de-4ace-939a-cbdbafb74f01" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_0a0d05cf-3c1f-48c9-bfa9-8996707b2f10" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_6b0fd5eb-50de-4ace-939a-cbdbafb74f01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ChandlerFashionCenterMember_3e955d7c-f5d3-41e3-bdd1-a3faab2113b7" xlink:href="mac-20250331.xsd#mac_ChandlerFashionCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_6b0fd5eb-50de-4ace-939a-cbdbafb74f01" xlink:to="loc_mac_ChandlerFashionCenterMember_3e955d7c-f5d3-41e3-bdd1-a3faab2113b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ChandlerFashionCenterAndFreeholdRacewayMallMember_50398135-fe5c-4433-93d6-6877ee67d9df" xlink:href="mac-20250331.xsd#mac_ChandlerFashionCenterAndFreeholdRacewayMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_6b0fd5eb-50de-4ace-939a-cbdbafb74f01" xlink:to="loc_mac_ChandlerFashionCenterAndFreeholdRacewayMallMember_50398135-fe5c-4433-93d6-6877ee67d9df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FreeholdRacewayMallMember_bf69aebf-87cd-4c89-b4da-558ead0374f3" xlink:href="mac-20250331.xsd#mac_FreeholdRacewayMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_6b0fd5eb-50de-4ace-939a-cbdbafb74f01" xlink:to="loc_mac_FreeholdRacewayMallMember_bf69aebf-87cd-4c89-b4da-558ead0374f3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_dc93f5bb-e274-4cc5-8e72-8d6e81cde1d3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:to="loc_srt_RangeAxis_dc93f5bb-e274-4cc5-8e72-8d6e81cde1d3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dc93f5bb-e274-4cc5-8e72-8d6e81cde1d3_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_dc93f5bb-e274-4cc5-8e72-8d6e81cde1d3" xlink:to="loc_srt_RangeMember_dc93f5bb-e274-4cc5-8e72-8d6e81cde1d3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ddd57334-2979-49b7-9835-3ccf7c3eebbc" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_dc93f5bb-e274-4cc5-8e72-8d6e81cde1d3" xlink:to="loc_srt_RangeMember_ddd57334-2979-49b7-9835-3ccf7c3eebbc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_12deb21a-8532-4491-a962-4c20e450cfae" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ddd57334-2979-49b7-9835-3ccf7c3eebbc" xlink:to="loc_srt_MinimumMember_12deb21a-8532-4491-a962-4c20e450cfae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_2b6a26d9-c8eb-4e5c-a8f5-839b495604e0" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ddd57334-2979-49b7-9835-3ccf7c3eebbc" xlink:to="loc_srt_MaximumMember_2b6a26d9-c8eb-4e5c-a8f5-839b495604e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_29f655aa-8db4-4ba8-b362-363a475320c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_29f655aa-8db4-4ba8-b362-363a475320c1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_29f655aa-8db4-4ba8-b362-363a475320c1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_29f655aa-8db4-4ba8-b362-363a475320c1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_29f655aa-8db4-4ba8-b362-363a475320c1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_14d615d4-a30f-4667-aec8-69175388e0c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_29f655aa-8db4-4ba8-b362-363a475320c1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_14d615d4-a30f-4667-aec8-69175388e0c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FreeholdRacewayMallMember_1760e055-c8a9-422c-a6ec-c5abe440f1be" xlink:href="mac-20250331.xsd#mac_FreeholdRacewayMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_14d615d4-a30f-4667-aec8-69175388e0c7" xlink:to="loc_mac_FreeholdRacewayMallMember_1760e055-c8a9-422c-a6ec-c5abe440f1be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_43f8f1ff-f82a-49e8-9ee4-6f5a8560ea4b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_43f8f1ff-f82a-49e8-9ee4-6f5a8560ea4b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_43f8f1ff-f82a-49e8-9ee4-6f5a8560ea4b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_43f8f1ff-f82a-49e8-9ee4-6f5a8560ea4b" xlink:to="loc_us-gaap_RelatedPartyDomain_43f8f1ff-f82a-49e8-9ee4-6f5a8560ea4b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_222b82d0-7ca3-4ae8-b0eb-0d39203d040f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_43f8f1ff-f82a-49e8-9ee4-6f5a8560ea4b" xlink:to="loc_us-gaap_RelatedPartyDomain_222b82d0-7ca3-4ae8-b0eb-0d39203d040f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_6bcd636d-4353-421d-a1e9-3f9053e4011a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_222b82d0-7ca3-4ae8-b0eb-0d39203d040f" xlink:to="loc_us-gaap_CorporateJointVentureMember_6bcd636d-4353-421d-a1e9-3f9053e4011a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_67cc08b9-562f-49cf-8e55-59553f15d564" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_544c3724-b939-4822-be75-202ff2d5a650" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_67cc08b9-562f-49cf-8e55-59553f15d564" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_67cc08b9-562f-49cf-8e55-59553f15d564_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_67cc08b9-562f-49cf-8e55-59553f15d564" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_67cc08b9-562f-49cf-8e55-59553f15d564_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_f59693ba-773d-4041-a596-ed033f45edea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_67cc08b9-562f-49cf-8e55-59553f15d564" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_f59693ba-773d-4041-a596-ed033f45edea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_MeasurementInputTerminalCapitalizationRateMember_cc9adca9-4e64-4fdd-9b83-e110f217e1d2" xlink:href="mac-20250331.xsd#mac_MeasurementInputTerminalCapitalizationRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_f59693ba-773d-4041-a596-ed033f45edea" xlink:to="loc_mac_MeasurementInputTerminalCapitalizationRateMember_cc9adca9-4e64-4fdd-9b83-e110f217e1d2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputDiscountRateMember_d6c922bb-8a28-45dd-9b00-8029a22aa19f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputDiscountRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_f59693ba-773d-4041-a596-ed033f45edea" xlink:to="loc_us-gaap_MeasurementInputDiscountRateMember_d6c922bb-8a28-45dd-9b00-8029a22aa19f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_MeasurementInputMarketsRentsPerSquareFootMember_f8bdb774-e592-4b61-bc56-6cf5099e2708" xlink:href="mac-20250331.xsd#mac_MeasurementInputMarketsRentsPerSquareFootMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_f59693ba-773d-4041-a596-ed033f45edea" xlink:to="loc_mac_MeasurementInputMarketsRentsPerSquareFootMember_f8bdb774-e592-4b61-bc56-6cf5099e2708" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureOwnershipPercentageSold_49140318-b397-458e-ab6f-681c4509929f" xlink:href="mac-20250331.xsd#mac_JointVentureOwnershipPercentageSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:to="loc_mac_JointVentureOwnershipPercentageSold_49140318-b397-458e-ab6f-681c4509929f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_59b49988-c6f4-497a-bac9-15dbedd36b92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AreaOfRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_59b49988-c6f4-497a-bac9-15dbedd36b92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureOwnershipPercent_c58e9384-fd65-4ff2-a1a6-8a67c1375db8" xlink:href="mac-20250331.xsd#mac_JointVentureOwnershipPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:to="loc_mac_JointVentureOwnershipPercent_c58e9384-fd65-4ff2-a1a6-8a67c1375db8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_c2054b9c-fac0-4c1d-a36a-d370e6e963e3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_c2054b9c-fac0-4c1d-a36a-d370e6e963e3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FinancingArrangementObligation_87324fda-fa1c-4789-8473-6f69fc57ff7b" xlink:href="mac-20250331.xsd#mac_FinancingArrangementObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:to="loc_mac_FinancingArrangementObligation_87324fda-fa1c-4789-8473-6f69fc57ff7b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentMeasurementInput_002dd33f-fdd9-4689-80e3-8127e7215039" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_9f39bc9f-ef45-4a77-ac39-242cc6eec7e5" xlink:to="loc_us-gaap_DebtInstrumentMeasurementInput_002dd33f-fdd9-4689-80e3-8127e7215039" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/FinancingArrangementScheduleofFinancingArrangementActivityDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#FinancingArrangementScheduleofFinancingArrangementActivityDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/FinancingArrangementScheduleofFinancingArrangementActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mac_ScheduleOfJointVenturesLineItems_eec4723c-c284-4139-88f6-ba3ad76835b9" xlink:href="mac-20250331.xsd#mac_ScheduleOfJointVenturesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ScheduleOfJointVenturesTable_8f9dec32-e7ac-4b65-a42f-a4a09ecfd388" xlink:href="mac-20250331.xsd#mac_ScheduleOfJointVenturesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_eec4723c-c284-4139-88f6-ba3ad76835b9" xlink:to="loc_mac_ScheduleOfJointVenturesTable_8f9dec32-e7ac-4b65-a42f-a4a09ecfd388" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c7505690-d97e-4dbe-8950-b057917ea481" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_8f9dec32-e7ac-4b65-a42f-a4a09ecfd388" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c7505690-d97e-4dbe-8950-b057917ea481" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_c7505690-d97e-4dbe-8950-b057917ea481_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c7505690-d97e-4dbe-8950-b057917ea481" xlink:to="loc_us-gaap_RelatedPartyDomain_c7505690-d97e-4dbe-8950-b057917ea481_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_b015524c-6320-40ad-91d3-f5b84a872d77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c7505690-d97e-4dbe-8950-b057917ea481" xlink:to="loc_us-gaap_RelatedPartyDomain_b015524c-6320-40ad-91d3-f5b84a872d77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_a7680859-405d-4b74-9fe6-b776059911fd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_b015524c-6320-40ad-91d3-f5b84a872d77" xlink:to="loc_us-gaap_RelatedPartyMember_a7680859-405d-4b74-9fe6-b776059911fd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_cb7e2c18-e206-4b6d-834b-05f29cfeafdd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mac_ScheduleOfJointVenturesTable_8f9dec32-e7ac-4b65-a42f-a4a09ecfd388" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_cb7e2c18-e206-4b6d-834b-05f29cfeafdd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_cb7e2c18-e206-4b6d-834b-05f29cfeafdd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_cb7e2c18-e206-4b6d-834b-05f29cfeafdd" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_cb7e2c18-e206-4b6d-834b-05f29cfeafdd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_2455a55d-2dc0-48f0-ac9b-36c3d3b5659d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_cb7e2c18-e206-4b6d-834b-05f29cfeafdd" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_2455a55d-2dc0-48f0-ac9b-36c3d3b5659d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FinancingArrangementMember_4d85f61c-6604-4210-ba9c-fac7506ccfa3" xlink:href="mac-20250331.xsd#mac_FinancingArrangementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_2455a55d-2dc0-48f0-ac9b-36c3d3b5659d" xlink:to="loc_mac_FinancingArrangementMember_4d85f61c-6604-4210-ba9c-fac7506ccfa3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_IncomeLossFromJointVenture_466459f2-84d7-4590-9005-7dcab8079c23" xlink:href="mac-20250331.xsd#mac_IncomeLossFromJointVenture"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_eec4723c-c284-4139-88f6-ba3ad76835b9" xlink:to="loc_mac_IncomeLossFromJointVenture_466459f2-84d7-4590-9005-7dcab8079c23" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureDistributionsInExcessOfPartnerShareOfIncomeLoss_9057337a-48d5-4e0f-b3e6-ea4bc3e34afb" xlink:href="mac-20250331.xsd#mac_JointVentureDistributionsInExcessOfPartnerShareOfIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_eec4723c-c284-4139-88f6-ba3ad76835b9" xlink:to="loc_mac_JointVentureDistributionsInExcessOfPartnerShareOfIncomeLoss_9057337a-48d5-4e0f-b3e6-ea4bc3e34afb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FairValueAdjustmentOfFinanceObligation_a4cd3199-11a6-45c3-a040-ef0d753fc29c" xlink:href="mac-20250331.xsd#mac_FairValueAdjustmentOfFinanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_eec4723c-c284-4139-88f6-ba3ad76835b9" xlink:to="loc_mac_FairValueAdjustmentOfFinanceObligation_a4cd3199-11a6-45c3-a040-ef0d753fc29c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_adef71d5-db2d-435b-a1dc-c2621e813e0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_eec4723c-c284-4139-88f6-ba3ad76835b9" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_adef71d5-db2d-435b-a1dc-c2621e813e0a" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/NoncontrollingInterestsDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#NoncontrollingInterestsDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/NoncontrollingInterestsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_b57db546-de6e-4eda-a5d3-0d6ccf0534a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_ba182b5e-0fee-48d4-b3c3-f5b390d32e8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_b57db546-de6e-4eda-a5d3-0d6ccf0534a8" xlink:to="loc_us-gaap_MinorityInterestTable_ba182b5e-0fee-48d4-b3c3-f5b390d32e8d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_46f1a954-eb09-4537-a469-262091dea3e0" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_ba182b5e-0fee-48d4-b3c3-f5b390d32e8d" xlink:to="loc_srt_OwnershipAxis_46f1a954-eb09-4537-a469-262091dea3e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_46f1a954-eb09-4537-a469-262091dea3e0_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_46f1a954-eb09-4537-a469-262091dea3e0" xlink:to="loc_srt_OwnershipDomain_46f1a954-eb09-4537-a469-262091dea3e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_8dc91764-9926-48ff-b94d-e2171ccadb49" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_46f1a954-eb09-4537-a469-262091dea3e0" xlink:to="loc_srt_OwnershipDomain_8dc91764-9926-48ff-b94d-e2171ccadb49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_TheMacerichPartnershipLPMember_aced543a-daa4-4413-8fd4-66934fdb68a7" xlink:href="mac-20250331.xsd#mac_TheMacerichPartnershipLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_8dc91764-9926-48ff-b94d-e2171ccadb49" xlink:to="loc_mac_TheMacerichPartnershipLPMember_aced543a-daa4-4413-8fd4-66934fdb68a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_b57f17a7-143f-4a9d-8769-11dcfdfb196a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_b57db546-de6e-4eda-a5d3-0d6ccf0534a8" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_b57f17a7-143f-4a9d-8769-11dcfdfb196a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_74ef1806-e163-4b2c-bc16-de1eb27f423f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_b57db546-de6e-4eda-a5d3-0d6ccf0534a8" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_74ef1806-e163-4b2c-bc16-de1eb27f423f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_41fab916-2136-4a1b-99bb-0f6b8f3b86d0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_b57db546-de6e-4eda-a5d3-0d6ccf0534a8" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_41fab916-2136-4a1b-99bb-0f6b8f3b86d0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_MinorityInterestRedemptionValueBasisNumberOfTradingDays_549386c0-14a3-4510-afb8-8758c9058975" xlink:href="mac-20250331.xsd#mac_MinorityInterestRedemptionValueBasisNumberOfTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_b57db546-de6e-4eda-a5d3-0d6ccf0534a8" xlink:to="loc_mac_MinorityInterestRedemptionValueBasisNumberOfTradingDays_549386c0-14a3-4510-afb8-8758c9058975" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_MinorityInterestRedemptionValue_02ebb380-8d5d-4f08-961e-e59cdecde5ac" xlink:href="mac-20250331.xsd#mac_MinorityInterestRedemptionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_b57db546-de6e-4eda-a5d3-0d6ccf0534a8" xlink:to="loc_mac_MinorityInterestRedemptionValue_02ebb380-8d5d-4f08-961e-e59cdecde5ac" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/StockholdersEquityDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#StockholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/StockholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_a1254958-5157-44d0-b34b-f8c1ecc156be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_a1254958-5157-44d0-b34b-f8c1ecc156be" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_d064829c-40af-4a47-97fe-2c80298c6aef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_a1254958-5157-44d0-b34b-f8c1ecc156be" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_d064829c-40af-4a47-97fe-2c80298c6aef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_d064829c-40af-4a47-97fe-2c80298c6aef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_d064829c-40af-4a47-97fe-2c80298c6aef" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_d064829c-40af-4a47-97fe-2c80298c6aef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_72123caa-3d23-481e-8b56-da03ff4c7263" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_d064829c-40af-4a47-97fe-2c80298c6aef" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_72123caa-3d23-481e-8b56-da03ff4c7263" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_A2021ATMProgramMember_c4eedaf4-b966-4d57-8e0f-fe497d41a34c" xlink:href="mac-20250331.xsd#mac_A2021ATMProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_72123caa-3d23-481e-8b56-da03ff4c7263" xlink:to="loc_mac_A2021ATMProgramMember_c4eedaf4-b966-4d57-8e0f-fe497d41a34c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ATMProgramMember_d4339952-3d5c-4632-9131-7182ad6a500c" xlink:href="mac-20250331.xsd#mac_ATMProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_72123caa-3d23-481e-8b56-da03ff4c7263" xlink:to="loc_mac_ATMProgramMember_d4339952-3d5c-4632-9131-7182ad6a500c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PublicOfferingMember_cbb65399-73d0-41bf-9367-7be690604b67" xlink:href="mac-20250331.xsd#mac_PublicOfferingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_72123caa-3d23-481e-8b56-da03ff4c7263" xlink:to="loc_mac_PublicOfferingMember_cbb65399-73d0-41bf-9367-7be690604b67" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_UnderwritersMember_2e5e090e-09db-4e28-949c-0d08e19c1d32" xlink:href="mac-20250331.xsd#mac_UnderwritersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_72123caa-3d23-481e-8b56-da03ff4c7263" xlink:to="loc_mac_UnderwritersMember_2e5e090e-09db-4e28-949c-0d08e19c1d32" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_639e9806-f99a-4b35-8add-69726a30cdb9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_639e9806-f99a-4b35-8add-69726a30cdb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_089cd567-792e-4f68-a8bc-927fab50493a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_089cd567-792e-4f68-a8bc-927fab50493a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_2ab41467-b75b-4071-83b9-05384963ad66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_2ab41467-b75b-4071-83b9-05384963ad66" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_cd7937bd-ea76-4765-8f80-5391d642e5e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_cd7937bd-ea76-4765-8f80-5391d642e5e7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SaleOfStockConsiderationReceivedOnTransactionGross_f8ffa45e-3739-4e5e-af87-bec31f121c50" xlink:href="mac-20250331.xsd#mac_SaleOfStockConsiderationReceivedOnTransactionGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_mac_SaleOfStockConsiderationReceivedOnTransactionGross_f8ffa45e-3739-4e5e-af87-bec31f121c50" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_0aaf5051-c997-4b2d-a89e-d2bffe04bd18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_0aaf5051-c997-4b2d-a89e-d2bffe04bd18" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_UnderwritingDiscountAndOfferingCosts_1917e4cc-46cd-4ac9-b489-cfeb4b208def" xlink:href="mac-20250331.xsd#mac_UnderwritingDiscountAndOfferingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_mac_UnderwritingDiscountAndOfferingCosts_1917e4cc-46cd-4ac9-b489-cfeb4b208def" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_7e1caa83-6f8d-4f52-b5fe-e5ba52514a9d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_30c6d8f1-8b43-401c-87a9-8a3c5d3b0b65" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_7e1caa83-6f8d-4f52-b5fe-e5ba52514a9d" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/AcquisitionsNarrativeDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#AcquisitionsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/AcquisitionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_c94bfa3f-4091-40a0-8976-2cbb6870f0de" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_srt_CounterpartyNameAxis_c94bfa3f-4091-40a0-8976-2cbb6870f0de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_c94bfa3f-4091-40a0-8976-2cbb6870f0de_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_c94bfa3f-4091-40a0-8976-2cbb6870f0de" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_c94bfa3f-4091-40a0-8976-2cbb6870f0de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7de65643-fb81-423e-aa30-5654a5dd9269" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_c94bfa3f-4091-40a0-8976-2cbb6870f0de" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7de65643-fb81-423e-aa30-5654a5dd9269" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ThirdPartyMember_d1bb0be1-9b4c-4945-aedd-630b80890583" xlink:href="mac-20250331.xsd#mac_ThirdPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7de65643-fb81-423e-aa30-5654a5dd9269" xlink:to="loc_mac_ThirdPartyMember_d1bb0be1-9b4c-4945-aedd-630b80890583" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0454216a-2782-4993-a985-273a18d9d506" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0454216a-2782-4993-a985-273a18d9d506" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_0454216a-2782-4993-a985-273a18d9d506_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0454216a-2782-4993-a985-273a18d9d506" xlink:to="loc_us-gaap_RelatedPartyDomain_0454216a-2782-4993-a985-273a18d9d506_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_bad0642d-f4cd-4291-ae8d-b83935a6df2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0454216a-2782-4993-a985-273a18d9d506" xlink:to="loc_us-gaap_RelatedPartyDomain_bad0642d-f4cd-4291-ae8d-b83935a6df2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_07eba183-c270-401d-8736-def5ea9e7a19" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_bad0642d-f4cd-4291-ae8d-b83935a6df2a" xlink:to="loc_us-gaap_CorporateJointVentureMember_07eba183-c270-401d-8736-def5ea9e7a19" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_705a81a6-6184-4e56-8ae7-e07d752293ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_us-gaap_AssetAcquisitionAxis_705a81a6-6184-4e56-8ae7-e07d752293ad" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_705a81a6-6184-4e56-8ae7-e07d752293ad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_705a81a6-6184-4e56-8ae7-e07d752293ad" xlink:to="loc_us-gaap_AssetAcquisitionDomain_705a81a6-6184-4e56-8ae7-e07d752293ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_5e003e27-4544-4ad4-9129-3af88bed25c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_705a81a6-6184-4e56-8ae7-e07d752293ad" xlink:to="loc_us-gaap_AssetAcquisitionDomain_5e003e27-4544-4ad4-9129-3af88bed25c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_bb27426c-ec12-4449-b082-4de549db6276" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_5e003e27-4544-4ad4-9129-3af88bed25c3" xlink:to="loc_mac_ArrowheadTowneCenterMember_bb27426c-ec12-4449-b082-4de549db6276" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_096cfc0a-63c8-4f79-8dc7-00445260d9dd" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_5e003e27-4544-4ad4-9129-3af88bed25c3" xlink:to="loc_mac_SouthPlainsMallMember_096cfc0a-63c8-4f79-8dc7-00445260d9dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_e5856e9d-c88e-4d29-9a42-57ff60fab515" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_e5856e9d-c88e-4d29-9a42-57ff60fab515" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_e5856e9d-c88e-4d29-9a42-57ff60fab515_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_e5856e9d-c88e-4d29-9a42-57ff60fab515" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_e5856e9d-c88e-4d29-9a42-57ff60fab515_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bb7e0f65-a627-4587-8514-a1a083194f75" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_e5856e9d-c88e-4d29-9a42-57ff60fab515" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bb7e0f65-a627-4587-8514-a1a083194f75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_06cf3e02-9270-43eb-b5b2-50995715a6b9" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bb7e0f65-a627-4587-8514-a1a083194f75" xlink:to="loc_mac_ArrowheadTowneCenterMember_06cf3e02-9270-43eb-b5b2-50995715a6b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_3c4b264f-024c-4c1a-8d47-18833e808ff4" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bb7e0f65-a627-4587-8514-a1a083194f75" xlink:to="loc_mac_SouthPlainsMallMember_3c4b264f-024c-4c1a-8d47-18833e808ff4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SearsBoxAtInlandCenterMember_92344c82-5e63-48d8-8530-fdbdeb1affe3" xlink:href="mac-20250331.xsd#mac_SearsBoxAtInlandCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bb7e0f65-a627-4587-8514-a1a083194f75" xlink:to="loc_mac_SearsBoxAtInlandCenterMember_92344c82-5e63-48d8-8530-fdbdeb1affe3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_WashingtonSquareMember_dae557fd-b39f-4880-b8f9-886889b49730" xlink:href="mac-20250331.xsd#mac_WashingtonSquareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bb7e0f65-a627-4587-8514-a1a083194f75" xlink:to="loc_mac_WashingtonSquareMember_dae557fd-b39f-4880-b8f9-886889b49730" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FlatIronCrossingMember_8ffb7a8a-e9b9-4cc0-87f7-e7ac12ec26e4" xlink:href="mac-20250331.xsd#mac_FlatIronCrossingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_bb7e0f65-a627-4587-8514-a1a083194f75" xlink:to="loc_mac_FlatIronCrossingMember_8ffb7a8a-e9b9-4cc0-87f7-e7ac12ec26e4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_d3ca1fa3-89f3-4472-81be-35f62251c421" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_d3ca1fa3-89f3-4472-81be-35f62251c421" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d3ca1fa3-89f3-4472-81be-35f62251c421_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_d3ca1fa3-89f3-4472-81be-35f62251c421" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d3ca1fa3-89f3-4472-81be-35f62251c421_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f91627d-e86a-4da6-8641-cc3854e39e04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_d3ca1fa3-89f3-4472-81be-35f62251c421" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f91627d-e86a-4da6-8641-cc3854e39e04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_7c37a36a-ad12-43fa-afd3-0c99b480a07b" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f91627d-e86a-4da6-8641-cc3854e39e04" xlink:to="loc_mac_ArrowheadTowneCenterMember_7c37a36a-ad12-43fa-afd3-0c99b480a07b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_3f9f08d9-0304-4e92-aae0-d5786f26724b" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f91627d-e86a-4da6-8641-cc3854e39e04" xlink:to="loc_mac_SouthPlainsMallMember_3f9f08d9-0304-4e92-aae0-d5786f26724b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SearsBoxAtInlandCenterMember_ceb16d89-674c-4c49-b5f6-68d9724d8fe9" xlink:href="mac-20250331.xsd#mac_SearsBoxAtInlandCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f91627d-e86a-4da6-8641-cc3854e39e04" xlink:to="loc_mac_SearsBoxAtInlandCenterMember_ceb16d89-674c-4c49-b5f6-68d9724d8fe9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PacificPremierRetailLLCMember_bb977c26-cab3-4afc-9337-603c88f68919" xlink:href="mac-20250331.xsd#mac_PacificPremierRetailLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0f91627d-e86a-4da6-8641-cc3854e39e04" xlink:to="loc_mac_PacificPremierRetailLLCMember_bb977c26-cab3-4afc-9337-603c88f68919" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_135d9162-aa82-400d-8d86-3009837201ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_us-gaap_DebtInstrumentAxis_135d9162-aa82-400d-8d86-3009837201ea" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_135d9162-aa82-400d-8d86-3009837201ea_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_135d9162-aa82-400d-8d86-3009837201ea" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_135d9162-aa82-400d-8d86-3009837201ea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_f642370e-0f9f-4abd-83f4-6709567cdb0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_135d9162-aa82-400d-8d86-3009837201ea" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_f642370e-0f9f-4abd-83f4-6709567cdb0f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FirstMortgageMember_d2f6abd7-bfee-496e-88d3-a0c48997ffe1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FirstMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_f642370e-0f9f-4abd-83f4-6709567cdb0f" xlink:to="loc_us-gaap_FirstMortgageMember_d2f6abd7-bfee-496e-88d3-a0c48997ffe1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_86b66b05-441e-4a8f-8891-d7f227fb7469" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_86b66b05-441e-4a8f-8891-d7f227fb7469" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_86b66b05-441e-4a8f-8891-d7f227fb7469_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_86b66b05-441e-4a8f-8891-d7f227fb7469" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_86b66b05-441e-4a8f-8891-d7f227fb7469_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c55c3b2d-121b-4ee4-bde6-9d9e56f189c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_86b66b05-441e-4a8f-8891-d7f227fb7469" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c55c3b2d-121b-4ee4-bde6-9d9e56f189c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_88852bb1-f5c6-48e6-bf74-3cf15fc4fa8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_c55c3b2d-121b-4ee4-bde6-9d9e56f189c8" xlink:to="loc_us-gaap_SecuredDebtMember_88852bb1-f5c6-48e6-bf74-3cf15fc4fa8a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_7504c86e-a7ea-4eb4-8d28-bd5b4f851a96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_a6b72512-8e4e-43d3-abb7-e5e6559b59df" xlink:to="loc_us-gaap_CreditFacilityAxis_7504c86e-a7ea-4eb4-8d28-bd5b4f851a96" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_7504c86e-a7ea-4eb4-8d28-bd5b4f851a96_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_7504c86e-a7ea-4eb4-8d28-bd5b4f851a96" xlink:to="loc_us-gaap_CreditFacilityDomain_7504c86e-a7ea-4eb4-8d28-bd5b4f851a96_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_8bb0873f-d738-4f19-a4c9-afcc6dc20f9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_7504c86e-a7ea-4eb4-8d28-bd5b4f851a96" xlink:to="loc_us-gaap_CreditFacilityDomain_8bb0873f-d738-4f19-a4c9-afcc6dc20f9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_09959399-07f4-4c1a-a8ba-e752fbf89e54" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_8bb0873f-d738-4f19-a4c9-afcc6dc20f9e" xlink:to="loc_us-gaap_LineOfCreditMember_09959399-07f4-4c1a-a8ba-e752fbf89e54" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_JointVentureOwnershipPercentAcquired_5fa27513-b23b-412e-9800-c2501f8fdcf9" xlink:href="mac-20250331.xsd#mac_JointVentureOwnershipPercentAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_mac_JointVentureOwnershipPercentAcquired_5fa27513-b23b-412e-9800-c2501f8fdcf9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_37044492-3243-4ef0-9143-7873e57b3620" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_37044492-3243-4ef0-9143-7873e57b3620" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_AssetAcquisitionPercentageOfSharesOwned_b7689a75-dc76-40b8-a519-17f9674b2fae" xlink:href="mac-20250331.xsd#mac_AssetAcquisitionPercentageOfSharesOwned"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_mac_AssetAcquisitionPercentageOfSharesOwned_b7689a75-dc76-40b8-a519-17f9674b2fae" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetFairValue_cd9f9c04-cd7b-42e7-99c6-14e2ed74bf5e" xlink:href="mac-20250331.xsd#mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetFairValue_cd9f9c04-cd7b-42e7-99c6-14e2ed74bf5e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLand_a8493693-1219-448e-a9bc-bfa69f1b1f7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireLand"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_PaymentsToAcquireLand_a8493693-1219-448e-a9bc-bfa69f1b1f7e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_7327f796-97c8-4f8f-9d66-db87b22bc59e" xlink:href="mac-20250331.xsd#mac_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_mac_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_7327f796-97c8-4f8f-9d66-db87b22bc59e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_e720c10d-7599-4c75-82a4-f057ac5c656a" xlink:href="mac-20250331.xsd#mac_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_mac_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_e720c10d-7599-4c75-82a4-f057ac5c656a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_529dc4ca-afac-4a3b-9f87-3b4413c9bd3b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_529dc4ca-afac-4a3b-9f87-3b4413c9bd3b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019051cd-ce8a-40de-9916-7b8b6043520c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019051cd-ce8a-40de-9916-7b8b6043520c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_f38a1d9a-e236-4fc5-8eb4-b50c7ed2f206" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_DebtInstrumentTerm_f38a1d9a-e236-4fc5-8eb4-b50c7ed2f206" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_8cd83885-87f0-40f8-934f-d16d8208f47a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_8cd83885-87f0-40f8-934f-d16d8208f47a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_cbe05c09-2506-4f4a-b7a2-4175c5937f46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_RepaymentsOfDebt_cbe05c09-2506-4f4a-b7a2-4175c5937f46" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_54ce01a4-7bdf-4a4a-ae83-c913b4e34a50" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_54ce01a4-7bdf-4a4a-ae83-c913b4e34a50" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_0224d247-70ed-4f98-b765-eb3c555363c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_01cc7692-302c-48f3-950a-a7d187c98130" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_0224d247-70ed-4f98-b765-eb3c555363c4" xlink:type="arc" order="13"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/AcquisitionsScheduleofAllocationofFairValueofArrowheadTowneCenterandSouthPlainsMallDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#AcquisitionsScheduleofAllocationofFairValueofArrowheadTowneCenterandSouthPlainsMallDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/AcquisitionsScheduleofAllocationofFairValueofArrowheadTowneCenterandSouthPlainsMallDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f91662b7-c1e8-41ad-ad66-c72aef07bcf0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f91662b7-c1e8-41ad-ad66-c72aef07bcf0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_57901760-5b52-43d9-9a59-1f4e0163691e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f91662b7-c1e8-41ad-ad66-c72aef07bcf0" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_57901760-5b52-43d9-9a59-1f4e0163691e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_57901760-5b52-43d9-9a59-1f4e0163691e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_57901760-5b52-43d9-9a59-1f4e0163691e" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_57901760-5b52-43d9-9a59-1f4e0163691e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0c65b48e-303f-4481-aaf5-5cc1490f5fab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_57901760-5b52-43d9-9a59-1f4e0163691e" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0c65b48e-303f-4481-aaf5-5cc1490f5fab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ArrowheadTowneCenterMember_2e102fab-67a8-469d-b4ed-348033381b3b" xlink:href="mac-20250331.xsd#mac_ArrowheadTowneCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0c65b48e-303f-4481-aaf5-5cc1490f5fab" xlink:to="loc_mac_ArrowheadTowneCenterMember_2e102fab-67a8-469d-b4ed-348033381b3b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthPlainsMallMember_ec71e64e-e038-4b0a-803c-9d2b519b8d0c" xlink:href="mac-20250331.xsd#mac_SouthPlainsMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0c65b48e-303f-4481-aaf5-5cc1490f5fab" xlink:to="loc_mac_SouthPlainsMallMember_ec71e64e-e038-4b0a-803c-9d2b519b8d0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_PacificPremierRetailLLCMember_d8372a8e-b187-44e6-a0c1-d3d90ba471fa" xlink:href="mac-20250331.xsd#mac_PacificPremierRetailLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0c65b48e-303f-4481-aaf5-5cc1490f5fab" xlink:to="loc_mac_PacificPremierRetailLLCMember_d8372a8e-b187-44e6-a0c1-d3d90ba471fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedProperty_635cd4dd-3cd0-4f55-8e98-843cd42d1ac1" xlink:href="mac-20250331.xsd#mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedProperty_635cd4dd-3cd0-4f55-8e98-843cd42d1ac1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredCharges_fa94dc84-976c-4873-a1e3-b02328f29d71" xlink:href="mac-20250331.xsd#mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredCharges_fa94dc84-976c-4873-a1e3-b02328f29d71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets_2e5629dc-4ed8-4d0c-91fb-49f054dc77b6" xlink:href="mac-20250331.xsd#mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets_2e5629dc-4ed8-4d0c-91fb-49f054dc77b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_cd4cdb2a-18c5-4928-80c7-b1e6824b6d78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_cd4cdb2a-18c5-4928-80c7-b1e6824b6d78" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMortgageNotePayable_63119c3c-fe95-4585-b6ab-0484fc93cc6b" xlink:href="mac-20250331.xsd#mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMortgageNotePayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMortgageNotePayable_63119c3c-fe95-4585-b6ab-0484fc93cc6b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDiscountOnMortgageNotePayable_0dbc4f74-5260-4fe0-b28c-af030839d920" xlink:href="mac-20250331.xsd#mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDiscountOnMortgageNotePayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDiscountOnMortgageNotePayable_0dbc4f74-5260-4fe0-b28c-af030839d920" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAccruedLiabilities_8c753b49-ffa5-4d4a-ba75-f04162882d93" xlink:href="mac-20250331.xsd#mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_mac_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAccruedLiabilities_8c753b49-ffa5-4d4a-ba75-f04162882d93" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_99f5cb86-739d-4047-88f8-2b8da81536f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_99f5cb86-739d-4047-88f8-2b8da81536f2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_e8308a21-19b1-49f2-bc13-507c24a03f48" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_e8308a21-19b1-49f2-bc13-507c24a03f48" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_AssetAcquisitionPercentageOfSharesOwned_4163ba07-7f74-4c07-a9eb-de669cbbda75" xlink:href="mac-20250331.xsd#mac_AssetAcquisitionPercentageOfSharesOwned"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a0839aa4-5d39-409f-bea4-1b8d08f26df2" xlink:to="loc_mac_AssetAcquisitionPercentageOfSharesOwned_4163ba07-7f74-4c07-a9eb-de669cbbda75" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/DispositionsInvestmentReclassificationDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#DispositionsInvestmentReclassificationDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/DispositionsInvestmentReclassificationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5961383a-9486-4d40-9d19-b64b408dee12" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_4b517683-076a-4dc5-b5f7-d1ef5f18e193" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5961383a-9486-4d40-9d19-b64b408dee12" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_4b517683-076a-4dc5-b5f7-d1ef5f18e193" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_3a373439-bc8b-4cbf-b421-20ad17360173" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_4b517683-076a-4dc5-b5f7-d1ef5f18e193" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_3a373439-bc8b-4cbf-b421-20ad17360173" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_3a373439-bc8b-4cbf-b421-20ad17360173_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_3a373439-bc8b-4cbf-b421-20ad17360173" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_3a373439-bc8b-4cbf-b421-20ad17360173_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_922b1b5d-0288-4785-a52a-9df9f891fd24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_3a373439-bc8b-4cbf-b421-20ad17360173" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_922b1b5d-0288-4785-a52a-9df9f891fd24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleMember_c2710003-13cb-4d61-a9e5-d6fc8db71040" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_922b1b5d-0288-4785-a52a-9df9f891fd24" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleMember_c2710003-13cb-4d61-a9e5-d6fc8db71040" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1ad97286-1e7e-40e6-9299-53c2e380b083" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_4b517683-076a-4dc5-b5f7-d1ef5f18e193" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1ad97286-1e7e-40e6-9299-53c2e380b083" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_1ad97286-1e7e-40e6-9299-53c2e380b083_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1ad97286-1e7e-40e6-9299-53c2e380b083" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_1ad97286-1e7e-40e6-9299-53c2e380b083_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_42a234d1-f92a-4109-b211-4323c4d68a5a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1ad97286-1e7e-40e6-9299-53c2e380b083" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_42a234d1-f92a-4109-b211-4323c4d68a5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ChandlerFashionCenterMortgageMember_b714e923-03c8-4cbc-8887-4846e0d4990e" xlink:href="mac-20250331.xsd#mac_ChandlerFashionCenterMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_42a234d1-f92a-4109-b211-4323c4d68a5a" xlink:to="loc_mac_ChandlerFashionCenterMortgageMember_b714e923-03c8-4cbc-8887-4846e0d4990e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_ff3edcba-6667-46b5-b3f9-edf444eb959d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_4b517683-076a-4dc5-b5f7-d1ef5f18e193" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_ff3edcba-6667-46b5-b3f9-edf444eb959d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_ff3edcba-6667-46b5-b3f9-edf444eb959d_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_ff3edcba-6667-46b5-b3f9-edf444eb959d" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_ff3edcba-6667-46b5-b3f9-edf444eb959d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_32cefcbd-d830-4361-850a-bda37c8949fb" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_ff3edcba-6667-46b5-b3f9-edf444eb959d" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_32cefcbd-d830-4361-850a-bda37c8949fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ChandlerFashionCenterMortgageMember_51f4000c-96d3-4042-8082-51f281a8eda7" xlink:href="mac-20250331.xsd#mac_ChandlerFashionCenterMortgageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_32cefcbd-d830-4361-850a-bda37c8949fb" xlink:to="loc_mac_ChandlerFashionCenterMortgageMember_51f4000c-96d3-4042-8082-51f281a8eda7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FairValueOfInvestmentInUnconsolidatedJointVentures_d665b50c-29b1-470f-a108-8cb1305e17a0" xlink:href="mac-20250331.xsd#mac_FairValueOfInvestmentInUnconsolidatedJointVentures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5961383a-9486-4d40-9d19-b64b408dee12" xlink:to="loc_mac_FairValueOfInvestmentInUnconsolidatedJointVentures_d665b50c-29b1-470f-a108-8cb1305e17a0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_FinancingArrangementObligationAdjustment_1fd24733-7383-464b-a1c6-bafa822da1b8" xlink:href="mac-20250331.xsd#mac_FinancingArrangementObligationAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5961383a-9486-4d40-9d19-b64b408dee12" xlink:to="loc_mac_FinancingArrangementObligationAdjustment_1fd24733-7383-464b-a1c6-bafa822da1b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DeconsolidationExcessOfLiabilitiesOverAssets_bf5f1300-66bf-4410-ae4b-e455f22ee04b" xlink:href="mac-20250331.xsd#mac_DeconsolidationExcessOfLiabilitiesOverAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5961383a-9486-4d40-9d19-b64b408dee12" xlink:to="loc_mac_DeconsolidationExcessOfLiabilitiesOverAssets_bf5f1300-66bf-4410-ae4b-e455f22ee04b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_a2284580-479f-406f-81b8-19f126c64fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5961383a-9486-4d40-9d19-b64b408dee12" xlink:to="loc_us-gaap_EquityMethodInvestments_a2284580-479f-406f-81b8-19f126c64fb8" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/DispositionsNarrativeDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#DispositionsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/DispositionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_27bcfd2a-f45f-473b-a0ab-0752878a897a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_6bfbeded-2eb8-4c42-b13b-e4ab1859916d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_27bcfd2a-f45f-473b-a0ab-0752878a897a" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_6bfbeded-2eb8-4c42-b13b-e4ab1859916d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_39dd9cfa-86e7-464a-8d53-c43d266df710" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_6bfbeded-2eb8-4c42-b13b-e4ab1859916d" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_39dd9cfa-86e7-464a-8d53-c43d266df710" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39dd9cfa-86e7-464a-8d53-c43d266df710_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_39dd9cfa-86e7-464a-8d53-c43d266df710" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_39dd9cfa-86e7-464a-8d53-c43d266df710_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_59dadd74-a308-40e6-b572-5ebead4068fa" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_39dd9cfa-86e7-464a-8d53-c43d266df710" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_59dadd74-a308-40e6-b572-5ebead4068fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ValleVistaMallMember_3245613b-11ac-45e0-9b0b-936c4cb7c33c" xlink:href="mac-20250331.xsd#mac_ValleVistaMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_59dadd74-a308-40e6-b572-5ebead4068fa" xlink:to="loc_mac_ValleVistaMallMember_3245613b-11ac-45e0-9b0b-936c4cb7c33c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SouthridgeMallMember_18ca8f2d-5787-494a-91f6-29d59f414425" xlink:href="mac-20250331.xsd#mac_SouthridgeMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_59dadd74-a308-40e6-b572-5ebead4068fa" xlink:to="loc_mac_SouthridgeMallMember_18ca8f2d-5787-494a-91f6-29d59f414425" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_TheOaksMember_295b9d1a-a462-4459-8246-cd81cde3be65" xlink:href="mac-20250331.xsd#mac_TheOaksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_59dadd74-a308-40e6-b572-5ebead4068fa" xlink:to="loc_mac_TheOaksMember_295b9d1a-a462-4459-8246-cd81cde3be65" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_WiltonMallMember_32a9b7a1-5a74-404a-a420-0ca54283dd9c" xlink:href="mac-20250331.xsd#mac_WiltonMallMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_59dadd74-a308-40e6-b572-5ebead4068fa" xlink:to="loc_mac_WiltonMallMember_32a9b7a1-5a74-404a-a420-0ca54283dd9c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_c603e4f8-d155-4682-86a0-fbd0810d15e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_6bfbeded-2eb8-4c42-b13b-e4ab1859916d" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_c603e4f8-d155-4682-86a0-fbd0810d15e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_c603e4f8-d155-4682-86a0-fbd0810d15e8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_c603e4f8-d155-4682-86a0-fbd0810d15e8" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_c603e4f8-d155-4682-86a0-fbd0810d15e8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_786b717f-9946-4ced-820e-2596b04c4052" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_c603e4f8-d155-4682-86a0-fbd0810d15e8" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_786b717f-9946-4ced-820e-2596b04c4052" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_c7884d18-9222-41dd-8ea0-436b1e7ff6c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_786b717f-9946-4ced-820e-2596b04c4052" xlink:to="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_c7884d18-9222-41dd-8ea0-436b1e7ff6c0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_89f98ffe-9ae4-41e4-8201-990b346c3267" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_6bfbeded-2eb8-4c42-b13b-e4ab1859916d" xlink:to="loc_srt_ProductOrServiceAxis_89f98ffe-9ae4-41e4-8201-990b346c3267" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_89f98ffe-9ae4-41e4-8201-990b346c3267_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_89f98ffe-9ae4-41e4-8201-990b346c3267" xlink:to="loc_srt_ProductsAndServicesDomain_89f98ffe-9ae4-41e4-8201-990b346c3267_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_0f29de69-5852-4893-b360-da2f6f7ca591" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_89f98ffe-9ae4-41e4-8201-990b346c3267" xlink:to="loc_srt_ProductsAndServicesDomain_0f29de69-5852-4893-b360-da2f6f7ca591" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_12882fea-ba69-4e33-9ebb-4cf4f9bdeb1b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0f29de69-5852-4893-b360-da2f6f7ca591" xlink:to="loc_us-gaap_LandMember_12882fea-ba69-4e33-9ebb-4cf4f9bdeb1b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ProceedsFromSaleOfPartnershipInterestsOtherAssetsAndDiscontinuedOperationsNet_28f28181-a7e5-44b0-8027-3b42785e0700" xlink:href="mac-20250331.xsd#mac_ProceedsFromSaleOfPartnershipInterestsOtherAssetsAndDiscontinuedOperationsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_27bcfd2a-f45f-473b-a0ab-0752878a897a" xlink:to="loc_mac_ProceedsFromSaleOfPartnershipInterestsOtherAssetsAndDiscontinuedOperationsNet_28f28181-a7e5-44b0-8027-3b42785e0700" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_2d8b6532-d09e-4eaa-a802-9b9e4d05ccdf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_27bcfd2a-f45f-473b-a0ab-0752878a897a" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_2d8b6532-d09e-4eaa-a802-9b9e4d05ccdf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_eeddc4c5-324a-41e5-8bc4-0aece85c080c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AreaOfRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_27bcfd2a-f45f-473b-a0ab-0752878a897a" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_eeddc4c5-324a-41e5-8bc4-0aece85c080c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_af766a66-225f-4fd5-b5d1-8c8f8f380b32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnSalesOfInvestmentRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_27bcfd2a-f45f-473b-a0ab-0752878a897a" xlink:to="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_af766a66-225f-4fd5-b5d1-8c8f8f380b32" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_0b681043-e9ea-4cf7-8a51-f2f069c4f8df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_27bcfd2a-f45f-473b-a0ab-0752878a897a" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_0b681043-e9ea-4cf7-8a51-f2f069c4f8df" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/RelatedPartyTransactionsScheduleofFeesChargedtoUnconsolidatedJointVenturesDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#RelatedPartyTransactionsScheduleofFeesChargedtoUnconsolidatedJointVenturesDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/RelatedPartyTransactionsScheduleofFeesChargedtoUnconsolidatedJointVenturesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_64547870-9e24-4ae6-ae06-01fd2b899f20" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_91f67c46-a67f-484b-ac16-05469f6a274d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_64547870-9e24-4ae6-ae06-01fd2b899f20" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_91f67c46-a67f-484b-ac16-05469f6a274d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f40019e9-201a-46de-85d2-7a97520f97a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_91f67c46-a67f-484b-ac16-05469f6a274d" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f40019e9-201a-46de-85d2-7a97520f97a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_f40019e9-201a-46de-85d2-7a97520f97a8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f40019e9-201a-46de-85d2-7a97520f97a8" xlink:to="loc_us-gaap_RelatedPartyDomain_f40019e9-201a-46de-85d2-7a97520f97a8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_a40ebb24-3f58-4948-b993-9d467fc441f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f40019e9-201a-46de-85d2-7a97520f97a8" xlink:to="loc_us-gaap_RelatedPartyDomain_a40ebb24-3f58-4948-b993-9d467fc441f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_fd44abb8-dd65-4d85-b766-02d80a181a46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_a40ebb24-3f58-4948-b993-9d467fc441f9" xlink:to="loc_us-gaap_RelatedPartyMember_fd44abb8-dd65-4d85-b766-02d80a181a46" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_2964a776-0f55-44bf-a94b-f049a245d863" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_91f67c46-a67f-484b-ac16-05469f6a274d" xlink:to="loc_srt_ProductOrServiceAxis_2964a776-0f55-44bf-a94b-f049a245d863" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_2964a776-0f55-44bf-a94b-f049a245d863_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_2964a776-0f55-44bf-a94b-f049a245d863" xlink:to="loc_srt_ProductsAndServicesDomain_2964a776-0f55-44bf-a94b-f049a245d863_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1612f372-a054-4c2c-9113-508f00ad09ba" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_2964a776-0f55-44bf-a94b-f049a245d863" xlink:to="loc_srt_ProductsAndServicesDomain_1612f372-a054-4c2c-9113-508f00ad09ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManagementServiceMember_438ed544-737a-4b8a-a103-025f0fabb35b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ManagementServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_1612f372-a054-4c2c-9113-508f00ad09ba" xlink:to="loc_us-gaap_ManagementServiceMember_438ed544-737a-4b8a-a103-025f0fabb35b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_DevelopmentandLeasingFeesMember_fd59622f-d123-4872-82b5-9f5b2fd93dd0" xlink:href="mac-20250331.xsd#mac_DevelopmentandLeasingFeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_1612f372-a054-4c2c-9113-508f00ad09ba" xlink:to="loc_mac_DevelopmentandLeasingFeesMember_fd59622f-d123-4872-82b5-9f5b2fd93dd0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_12156d85-f5aa-4d52-a565-762847d60cf6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_64547870-9e24-4ae6-ae06-01fd2b899f20" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_12156d85-f5aa-4d52-a565-762847d60cf6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/RelatedPartyTransactionsNarrativeDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#RelatedPartyTransactionsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/RelatedPartyTransactionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_c8c1f7de-4d8a-427e-861f-a1d647a178ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_69cfbd06-ae6e-407f-88f7-355c2cd199bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c8c1f7de-4d8a-427e-861f-a1d647a178ac" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_69cfbd06-ae6e-407f-88f7-355c2cd199bb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c2490ca7-bdb3-49a3-ad3d-049e7e667e41" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_69cfbd06-ae6e-407f-88f7-355c2cd199bb" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c2490ca7-bdb3-49a3-ad3d-049e7e667e41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_c2490ca7-bdb3-49a3-ad3d-049e7e667e41_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c2490ca7-bdb3-49a3-ad3d-049e7e667e41" xlink:to="loc_us-gaap_RelatedPartyDomain_c2490ca7-bdb3-49a3-ad3d-049e7e667e41_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_4602f43b-caac-4db4-b624-c6db9013450d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c2490ca7-bdb3-49a3-ad3d-049e7e667e41" xlink:to="loc_us-gaap_RelatedPartyDomain_4602f43b-caac-4db4-b624-c6db9013450d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_c8b15ddd-6525-462b-b244-72d3403baf97" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_4602f43b-caac-4db4-b624-c6db9013450d" xlink:to="loc_us-gaap_RelatedPartyMember_c8b15ddd-6525-462b-b244-72d3403baf97" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_af41dc5c-0d56-44e2-b806-4a3e8713dd54" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c8c1f7de-4d8a-427e-861f-a1d647a178ac" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_af41dc5c-0d56-44e2-b806-4a3e8713dd54" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivables_b7aae5fd-ac60-40a2-a037-84813bb3ae3e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c8c1f7de-4d8a-427e-861f-a1d647a178ac" xlink:to="loc_us-gaap_OtherReceivables_b7aae5fd-ac60-40a2-a037-84813bb3ae3e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/ShareandUnitBasedPlansNarrativeDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#ShareandUnitBasedPlansNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/ShareandUnitBasedPlansNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0709ec9a-76b2-4e7b-8cdf-d030305ed4f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7e78a388-795c-4aa7-b8f1-4551c6024d2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0709ec9a-76b2-4e7b-8cdf-d030305ed4f5" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7e78a388-795c-4aa7-b8f1-4551c6024d2a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_b8f0e4ad-ad24-41d3-b7af-58742e318193" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7e78a388-795c-4aa7-b8f1-4551c6024d2a" xlink:to="loc_us-gaap_AwardTypeAxis_b8f0e4ad-ad24-41d3-b7af-58742e318193" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b8f0e4ad-ad24-41d3-b7af-58742e318193_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_b8f0e4ad-ad24-41d3-b7af-58742e318193" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b8f0e4ad-ad24-41d3-b7af-58742e318193_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0febcc3c-eaa3-43df-8b1c-94c37eabeefe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_b8f0e4ad-ad24-41d3-b7af-58742e318193" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0febcc3c-eaa3-43df-8b1c-94c37eabeefe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_StockUnitsMember_292ae18a-3364-48a8-95c7-c6fef2e376d6" xlink:href="mac-20250331.xsd#mac_StockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0febcc3c-eaa3-43df-8b1c-94c37eabeefe" xlink:to="loc_mac_StockUnitsMember_292ae18a-3364-48a8-95c7-c6fef2e376d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LongTermIncentivePlanMember_5c53b07d-abc0-4334-a126-5291a01ea35e" xlink:href="mac-20250331.xsd#mac_LongTermIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0febcc3c-eaa3-43df-8b1c-94c37eabeefe" xlink:to="loc_mac_LongTermIncentivePlanMember_5c53b07d-abc0-4334-a126-5291a01ea35e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PhantomShareUnitsPSUsMember_36fd7e1c-5eb1-4074-97c9-48045f3fe3f6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PhantomShareUnitsPSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0febcc3c-eaa3-43df-8b1c-94c37eabeefe" xlink:to="loc_us-gaap_PhantomShareUnitsPSUsMember_36fd7e1c-5eb1-4074-97c9-48045f3fe3f6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionRate_f895ad88-7e15-4292-a52d-412ca8dc1998" xlink:href="mac-20250331.xsd#mac_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0709ec9a-76b2-4e7b-8cdf-d030305ed4f5" xlink:to="loc_mac_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionRate_f895ad88-7e15-4292-a52d-412ca8dc1998" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1958dcdc-e0d0-47c8-8ffc-12549232bf89" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0709ec9a-76b2-4e7b-8cdf-d030305ed4f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1958dcdc-e0d0-47c8-8ffc-12549232bf89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_567ddd23-369e-4f41-88df-0c47b380b15c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0709ec9a-76b2-4e7b-8cdf-d030305ed4f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_567ddd23-369e-4f41-88df-0c47b380b15c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_00b0de8d-3b06-4fd9-9c92-fbb1e52bfa5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0709ec9a-76b2-4e7b-8cdf-d030305ed4f5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_00b0de8d-3b06-4fd9-9c92-fbb1e52bfa5f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_90a8545e-8cfc-45b6-ad7f-c29a37acdbe3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0709ec9a-76b2-4e7b-8cdf-d030305ed4f5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_90a8545e-8cfc-45b6-ad7f-c29a37acdbe3" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofLTIUnitsGrantedDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#ShareandUnitBasedPlansScheduleofLTIUnitsGrantedDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofLTIUnitsGrantedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2ea5b17c-2a4c-4c60-8d1c-4cd528dea604" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_bf77d4fa-560c-4fc7-a757-b34deccc2236" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2ea5b17c-2a4c-4c60-8d1c-4cd528dea604" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_bf77d4fa-560c-4fc7-a757-b34deccc2236" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_25d1ff9e-2ee3-4ace-8c67-c8462f4d8dd1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_bf77d4fa-560c-4fc7-a757-b34deccc2236" xlink:to="loc_us-gaap_VestingAxis_25d1ff9e-2ee3-4ace-8c67-c8462f4d8dd1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_25d1ff9e-2ee3-4ace-8c67-c8462f4d8dd1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_25d1ff9e-2ee3-4ace-8c67-c8462f4d8dd1" xlink:to="loc_us-gaap_VestingDomain_25d1ff9e-2ee3-4ace-8c67-c8462f4d8dd1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_6e91fb89-924e-4bcb-8d41-8dd490f1ab4a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_25d1ff9e-2ee3-4ace-8c67-c8462f4d8dd1" xlink:to="loc_us-gaap_VestingDomain_6e91fb89-924e-4bcb-8d41-8dd490f1ab4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_c8546553-0d61-4ff7-bd63-59c2d0f4c5de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_6e91fb89-924e-4bcb-8d41-8dd490f1ab4a" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_c8546553-0d61-4ff7-bd63-59c2d0f4c5de" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_6f73214b-d4f1-4f51-a01a-39e61753f255" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_bf77d4fa-560c-4fc7-a757-b34deccc2236" xlink:to="loc_us-gaap_AwardTypeAxis_6f73214b-d4f1-4f51-a01a-39e61753f255" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6f73214b-d4f1-4f51-a01a-39e61753f255_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_6f73214b-d4f1-4f51-a01a-39e61753f255" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6f73214b-d4f1-4f51-a01a-39e61753f255_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_83bc8884-5b30-46ed-95a2-567f79727803" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_6f73214b-d4f1-4f51-a01a-39e61753f255" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_83bc8884-5b30-46ed-95a2-567f79727803" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LongTermIncentivePlanServicebasedMember_4f7cd462-f14f-4eb3-8f26-4c1406749b75" xlink:href="mac-20250331.xsd#mac_LongTermIncentivePlanServicebasedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_83bc8884-5b30-46ed-95a2-567f79727803" xlink:to="loc_mac_LongTermIncentivePlanServicebasedMember_4f7cd462-f14f-4eb3-8f26-4c1406749b75" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LongTermIncentivePlanPerformanceBasedMember_54f4c4b1-c773-44cb-a5d6-c9458323551f" xlink:href="mac-20250331.xsd#mac_LongTermIncentivePlanPerformanceBasedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_83bc8884-5b30-46ed-95a2-567f79727803" xlink:to="loc_mac_LongTermIncentivePlanPerformanceBasedMember_54f4c4b1-c773-44cb-a5d6-c9458323551f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateAxis_1389d296-fcea-4225-89b5-89267ac35bf2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_bf77d4fa-560c-4fc7-a757-b34deccc2236" xlink:to="loc_us-gaap_AwardDateAxis_1389d296-fcea-4225-89b5-89267ac35bf2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateDomain_1389d296-fcea-4225-89b5-89267ac35bf2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardDateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardDateAxis_1389d296-fcea-4225-89b5-89267ac35bf2" xlink:to="loc_us-gaap_AwardDateDomain_1389d296-fcea-4225-89b5-89267ac35bf2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateDomain_74d24e8a-30dd-46de-94ab-b27a857bd744" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardDateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardDateAxis_1389d296-fcea-4225-89b5-89267ac35bf2" xlink:to="loc_us-gaap_AwardDateDomain_74d24e8a-30dd-46de-94ab-b27a857bd744" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_February212025Member_e968f173-7754-4082-81f7-111853fb8c6f" xlink:href="mac-20250331.xsd#mac_February212025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AwardDateDomain_74d24e8a-30dd-46de-94ab-b27a857bd744" xlink:to="loc_mac_February212025Member_e968f173-7754-4082-81f7-111853fb8c6f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_59da9c10-1209-4af1-9faf-9c507a98b250" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2ea5b17c-2a4c-4c60-8d1c-4cd528dea604" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_59da9c10-1209-4af1-9faf-9c507a98b250" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_f6602171-4876-4ef7-83cf-f7c9fb650256" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2ea5b17c-2a4c-4c60-8d1c-4cd528dea604" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_f6602171-4876-4ef7-83cf-f7c9fb650256" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofActivityofNonvestedLTIUnitsStockAwardsPhantomStockandStockUnitsDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#ShareandUnitBasedPlansScheduleofActivityofNonvestedLTIUnitsStockAwardsPhantomStockandStockUnitsDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofActivityofNonvestedLTIUnitsStockAwardsPhantomStockandStockUnitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_611850a1-b845-4997-9133-39c511be5cbd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_acbca567-fac3-4874-806a-2ce352b78662" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_611850a1-b845-4997-9133-39c511be5cbd" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_acbca567-fac3-4874-806a-2ce352b78662" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_640cba33-bbbe-4a55-b4dc-ea402a4f0f31" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_acbca567-fac3-4874-806a-2ce352b78662" xlink:to="loc_us-gaap_AwardTypeAxis_640cba33-bbbe-4a55-b4dc-ea402a4f0f31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_640cba33-bbbe-4a55-b4dc-ea402a4f0f31_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_640cba33-bbbe-4a55-b4dc-ea402a4f0f31" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_640cba33-bbbe-4a55-b4dc-ea402a4f0f31_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7fedd822-b6a4-4b1d-9374-3986b942fa77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_640cba33-bbbe-4a55-b4dc-ea402a4f0f31" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7fedd822-b6a4-4b1d-9374-3986b942fa77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LongTermIncentivePlanMember_f1342e8d-33c5-49b1-a384-3d72259f6a98" xlink:href="mac-20250331.xsd#mac_LongTermIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7fedd822-b6a4-4b1d-9374-3986b942fa77" xlink:to="loc_mac_LongTermIncentivePlanMember_f1342e8d-33c5-49b1-a384-3d72259f6a98" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PhantomShareUnitsPSUsMember_908aae00-9f93-4247-b4b1-271eca99cf2e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PhantomShareUnitsPSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7fedd822-b6a4-4b1d-9374-3986b942fa77" xlink:to="loc_us-gaap_PhantomShareUnitsPSUsMember_908aae00-9f93-4247-b4b1-271eca99cf2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_StockUnitsMember_78ddd1ec-7103-4c4b-a9f2-7d5fbcf38a2e" xlink:href="mac-20250331.xsd#mac_StockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7fedd822-b6a4-4b1d-9374-3986b942fa77" xlink:to="loc_mac_StockUnitsMember_78ddd1ec-7103-4c4b-a9f2-7d5fbcf38a2e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_ee7f29f2-fd73-4337-a293-7ac5cade282b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_611850a1-b845-4997-9133-39c511be5cbd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_ee7f29f2-fd73-4337-a293-7ac5cade282b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_e0b536bc-60b9-4da3-83ff-f22298cb3c89" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_ee7f29f2-fd73-4337-a293-7ac5cade282b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_e0b536bc-60b9-4da3-83ff-f22298cb3c89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_99e8a10c-d523-4f6d-931d-91b7f033ce90" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_ee7f29f2-fd73-4337-a293-7ac5cade282b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_99e8a10c-d523-4f6d-931d-91b7f033ce90" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_d04816a7-0c1d-460b-b02c-375d45a72e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_ee7f29f2-fd73-4337-a293-7ac5cade282b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_d04816a7-0c1d-460b-b02c-375d45a72e0c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_4a845bbf-ea04-45af-9f1c-52eccab5a7b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollforward_3c52e031-d56e-4dff-9c80-88f2493a2409" xlink:href="mac-20250331.xsd#mac_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollforward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_611850a1-b845-4997-9133-39c511be5cbd" xlink:to="loc_mac_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollforward_3c52e031-d56e-4dff-9c80-88f2493a2409" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_623cd431-d4c0-4f29-836f-fd1aa3f75085" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollforward_3c52e031-d56e-4dff-9c80-88f2493a2409" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_623cd431-d4c0-4f29-836f-fd1aa3f75085" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_0e6323b3-cf91-4ef2-82af-eae8d40722da" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollforward_3c52e031-d56e-4dff-9c80-88f2493a2409" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_0e6323b3-cf91-4ef2-82af-eae8d40722da" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_44d90b81-a578-4a67-aae7-0e2a036babbe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollforward_3c52e031-d56e-4dff-9c80-88f2493a2409" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_44d90b81-a578-4a67-aae7-0e2a036babbe" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_e0898071-cebf-4e36-b62f-b472f9cd82aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofVestedStockOptionsRollforwardDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#ShareandUnitBasedPlansScheduleofVestedStockOptionsRollforwardDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofVestedStockOptionsRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b312db98-72cf-4e54-9f54-8ad6611c6117" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_70bb1225-48a7-4414-9e16-a474db30d4d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b312db98-72cf-4e54-9f54-8ad6611c6117" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_70bb1225-48a7-4414-9e16-a474db30d4d5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_b417fa0d-9182-4eb2-b466-f2c72544c743" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_70bb1225-48a7-4414-9e16-a474db30d4d5" xlink:to="loc_us-gaap_AwardTypeAxis_b417fa0d-9182-4eb2-b466-f2c72544c743" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b417fa0d-9182-4eb2-b466-f2c72544c743_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_b417fa0d-9182-4eb2-b466-f2c72544c743" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b417fa0d-9182-4eb2-b466-f2c72544c743_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d020e681-2b13-4145-b74e-4f01caeaa54d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_b417fa0d-9182-4eb2-b466-f2c72544c743" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d020e681-2b13-4145-b74e-4f01caeaa54d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_594e7c3c-550e-4348-b186-a89039b8443b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d020e681-2b13-4145-b74e-4f01caeaa54d" xlink:to="loc_us-gaap_EmployeeStockOptionMember_594e7c3c-550e-4348-b186-a89039b8443b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_SharebasedCompensationArrangementbySharebasedPaymentAwardStockOptionsOutstandingAbstract_c6a031c2-3275-406c-bd9d-a8e78fac4993" xlink:href="mac-20250331.xsd#mac_SharebasedCompensationArrangementbySharebasedPaymentAwardStockOptionsOutstandingAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b312db98-72cf-4e54-9f54-8ad6611c6117" xlink:to="loc_mac_SharebasedCompensationArrangementbySharebasedPaymentAwardStockOptionsOutstandingAbstract_c6a031c2-3275-406c-bd9d-a8e78fac4993" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_11021154-6868-4bff-ae4a-65bc1a117e5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_SharebasedCompensationArrangementbySharebasedPaymentAwardStockOptionsOutstandingAbstract_c6a031c2-3275-406c-bd9d-a8e78fac4993" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_11021154-6868-4bff-ae4a-65bc1a117e5f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_ef36653d-0659-4b48-9cca-e6dde98333b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_11021154-6868-4bff-ae4a-65bc1a117e5f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_ef36653d-0659-4b48-9cca-e6dde98333b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_d0b3420e-4911-4a3d-bf2e-4454310b0a4c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_11021154-6868-4bff-ae4a-65bc1a117e5f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_d0b3420e-4911-4a3d-bf2e-4454310b0a4c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_0439e9cd-2a29-4b72-bd94-58ae40227960" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_59d34937-d963-4464-854a-d234aa585b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mac_SharebasedCompensationArrangementbySharebasedPaymentAwardStockOptionsOutstandingAbstract_c6a031c2-3275-406c-bd9d-a8e78fac4993" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_59d34937-d963-4464-854a-d234aa585b7c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_82db7848-3398-415a-a9f7-e52430034d11" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_59d34937-d963-4464-854a-d234aa585b7c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_82db7848-3398-415a-a9f7-e52430034d11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_dc2e040a-ee1f-4dfe-a748-60d76bf992d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_59d34937-d963-4464-854a-d234aa585b7c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_dc2e040a-ee1f-4dfe-a748-60d76bf992d6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_d402678e-e247-41c8-8730-9c2cb568bf6a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofCompensationCostundertheShareandUnitbasedPlansDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#ShareandUnitBasedPlansScheduleofCompensationCostundertheShareandUnitbasedPlansDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/ShareandUnitBasedPlansScheduleofCompensationCostundertheShareandUnitbasedPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b28205c7-6a81-4748-8cce-36617e78e8d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_72a0d10a-95e4-48b8-a204-3d7d3d389101" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b28205c7-6a81-4748-8cce-36617e78e8d7" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_72a0d10a-95e4-48b8-a204-3d7d3d389101" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_93d7b29c-cead-464f-9dad-ce754aab9c20" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_72a0d10a-95e4-48b8-a204-3d7d3d389101" xlink:to="loc_us-gaap_AwardTypeAxis_93d7b29c-cead-464f-9dad-ce754aab9c20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93d7b29c-cead-464f-9dad-ce754aab9c20_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_93d7b29c-cead-464f-9dad-ce754aab9c20" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93d7b29c-cead-464f-9dad-ce754aab9c20_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ff528f33-74e8-467d-a6f6-80256baf2314" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_93d7b29c-cead-464f-9dad-ce754aab9c20" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ff528f33-74e8-467d-a6f6-80256baf2314" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_LongTermIncentivePlanMember_1ac9d5de-7a25-4467-a207-999ad88b4598" xlink:href="mac-20250331.xsd#mac_LongTermIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ff528f33-74e8-467d-a6f6-80256baf2314" xlink:to="loc_mac_LongTermIncentivePlanMember_1ac9d5de-7a25-4467-a207-999ad88b4598" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mac_StockUnitsMember_4d34f8f1-41a0-496d-8ece-c1539a589f40" xlink:href="mac-20250331.xsd#mac_StockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ff528f33-74e8-467d-a6f6-80256baf2314" xlink:to="loc_mac_StockUnitsMember_4d34f8f1-41a0-496d-8ece-c1539a589f40" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PhantomShareUnitsPSUsMember_bbdec528-0080-4a92-9659-bb8042ebf31d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PhantomShareUnitsPSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ff528f33-74e8-467d-a6f6-80256baf2314" xlink:to="loc_us-gaap_PhantomShareUnitsPSUsMember_bbdec528-0080-4a92-9659-bb8042ebf31d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_1b1d2e8c-a0f4-409b-94db-c79f9c1bc656" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_b28205c7-6a81-4748-8cce-36617e78e8d7" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_1b1d2e8c-a0f4-409b-94db-c79f9c1bc656" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.macerich.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="mac-20250331.xsd#SubsequentEventsDetails"/>
  <link:definitionLink xlink:role="http://www.macerich.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_10d6d2db-10ca-4ecd-b51c-977aa3e51e77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_b8adf8fd-13c9-40b9-8e34-9b742dd54a27" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_10d6d2db-10ca-4ecd-b51c-977aa3e51e77" xlink:to="loc_us-gaap_SubsequentEventTable_b8adf8fd-13c9-40b9-8e34-9b742dd54a27" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_a9b33ff7-d06e-4ebb-8af9-c6d53ee74c3b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_b8adf8fd-13c9-40b9-8e34-9b742dd54a27" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_a9b33ff7-d06e-4ebb-8af9-c6d53ee74c3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_a9b33ff7-d06e-4ebb-8af9-c6d53ee74c3b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_a9b33ff7-d06e-4ebb-8af9-c6d53ee74c3b" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_a9b33ff7-d06e-4ebb-8af9-c6d53ee74c3b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_f6d2cda2-d90e-4e00-8e47-ecbbf7edd4f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_a9b33ff7-d06e-4ebb-8af9-c6d53ee74c3b" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_f6d2cda2-d90e-4e00-8e47-ecbbf7edd4f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_c5271d7f-c409-4dac-9369-639c70920707" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_f6d2cda2-d90e-4e00-8e47-ecbbf7edd4f1" xlink:to="loc_us-gaap_SubsequentEventMember_c5271d7f-c409-4dac-9369-639c70920707" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_d00590a9-1cbe-4ec8-bf4b-5ce9eec8e626" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_10d6d2db-10ca-4ecd-b51c-977aa3e51e77" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_d00590a9-1cbe-4ec8-bf4b-5ce9eec8e626" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
