say it: UHP-keep
upkeep is a noun meaning "activity involved in maintaining something in good working order". It carries 2 recorded senses.
activity involved in maintaining something in good working order
“he wrote the manual on car care”
the act of sustaining life by food or providing a means of subsistence
“they were in want of sustenance”
“fishing was their main sustainment”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for upkeep come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.