say it: WUR-kowt
workout is a noun meaning "the activity of exerting your muscles in various ways to keep fit". It carries one recorded sense.
the activity of exerting your muscles in various ways to keep fit
“the doctor recommended regular exercise”
“he did some exercising”
“the physical exertion required by his work kept him fit”
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 workout 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.