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WordNet-OnlineFree dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
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Noun upkeep has 2 senses
care, maintenance, upkeep - activity involved in maintaining something in good working order; "he wrote the manual on car care"--1 is a kind of repair, fix, fixing, fixture, mend, mending, reparation
 --1 has particulars:
sustenance, sustentation, sustainment, maintenance, upkeep - the act of sustaining life by food or providing a means of subsistence; "they were in want of sustenance"; "fishing was their main sustainment"--2 is a kind of support
 
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