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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a044d1-7efe-74eb-a5b9-9238bfb15838,g:c2cb2bec-d576-4c4a-be83-061563862fd9-->
<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://jllipt.com/role/Cover" xlink:type="simple" xlink:href="jllip-20260827.xsd#Cover"/>
  <link:definitionLink xlink:role="http://jllipt.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_01a044d1-7efe-7a3b-8b96-a2dcfc838d6c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_DocumentInformationTable_01a044d1-7efe-7a3b-8b96-a2dcfc838d6c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a044d1-7efe-70b5-afd4-17f97e30cf03" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_AmendmentFlag_01a044d1-7efe-70b5-afd4-17f97e30cf03" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a044d1-7efe-7eac-8620-d6ed8904eee0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityCentralIndexKey_01a044d1-7efe-7eac-8620-d6ed8904eee0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a044d1-7efe-71b0-a732-ff6a7a302a77" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_CityAreaCode_01a044d1-7efe-71b0-a732-ff6a7a302a77" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a044d1-7efe-7907-9e9b-441d229b5a33" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_LocalPhoneNumber_01a044d1-7efe-7907-9e9b-441d229b5a33" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a044d1-7efe-769e-965f-5afa7142bc46" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_DocumentPeriodEndDate_01a044d1-7efe-769e-965f-5afa7142bc46" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a044d1-7efe-74f2-ba11-9d39bd9b3b76" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityAddressCityOrTown_01a044d1-7efe-74f2-ba11-9d39bd9b3b76" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a044d1-7efe-71fb-9247-07ce0e249712" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityAddressStateOrProvince_01a044d1-7efe-71fb-9247-07ce0e249712" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a044d1-7efe-7aee-8668-52b449fc46b6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityAddressPostalZipCode_01a044d1-7efe-7aee-8668-52b449fc46b6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a044d1-7efe-74d1-a4b0-0d49e33bbf72" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a044d1-7efe-74d1-a4b0-0d49e33bbf72" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a044d1-7efe-73d8-8d7a-e3c09a3f3e3e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityFileNumber_01a044d1-7efe-73d8-8d7a-e3c09a3f3e3e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a044d1-7efe-7080-92a9-022c80dbebef" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a044d1-7efe-7080-92a9-022c80dbebef" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a044d1-7efe-74b8-80a1-4cc36e8044c9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a044d1-7efe-74b8-80a1-4cc36e8044c9" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a044d1-7efe-7cf4-a8b3-bc83d4be3e74" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityAddressAddressLine1_01a044d1-7efe-7cf4-a8b3-bc83d4be3e74" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a044d1-7efe-7617-82fa-b6806b07b21b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_EntityRegistrantName_01a044d1-7efe-7617-82fa-b6806b07b21b" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a044d1-7efe-7c99-a014-eb7e877609c0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_PreCommencementTenderOffer_01a044d1-7efe-7c99-a014-eb7e877609c0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a044d1-7efe-7791-9509-7ad091a59219" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a044d1-7efe-7791-9509-7ad091a59219" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a044d1-7efe-7f21-8bf8-748b3ef9d983" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_WrittenCommunications_01a044d1-7efe-7f21-8bf8-748b3ef9d983" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a044d1-7efe-74c0-b77e-36d781bd492f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a044d1-7efe-7d52-b433-527e35307d54" xlink:to="loc_dei_SolicitingMaterial_01a044d1-7efe-74c0-b77e-36d781bd492f" xlink:type="arc" order="17"/>
  </link:definitionLink>
</link:linkbase>
