Pronunciation (UK) IPA (key): /ˈwəːk.aʊt/ (file) (US) IPA (key): /ˈwɚk.aʊt/ Noun Singular workout Plural workouts (countable) Any time when a person is exercising. Hiking up the mountain was a good workout.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads