1. practise Exercise, in the ordinary sense, is the easy natural action of any power; exertion is the putting of any power to strain and tax. An exercise-drive for a horse is so much as will develop streng Synonyms: exercise, act, application, exertion, performance, action, drill, occupation, practise, activity, employment, operation, use Antonyms: idleness, inaction, inactivity, relaxation, rest