Synonyms: physical exercise, physical exertion, exercise, exercising, workout
Definition: the activity of exerting your muscles in various ways to keep fit
Usage: the doctor recommended regular exercise; he did some exercising; the physical exertion required by his work kept him fit
Similar words: effort, elbow grease, travail, sweat, exertion
Definition: use of physical or mental energy; hard work
Usage: he got an A for effort; they managed only with great exertion