fitness

/ˈfɪtnəs/noun

The quality of being suitable or right for a particular purpose.

Two senses share the word: gym fitness and fitness for a purpose, as in 'fitness to serve'. Biology adds a third, reproductive success, in 'survival of the fittest'.

Related words

workoutA session of physical exercise.hobbySomething a person does for pleasure in their free time.marathonA long-distance running race covering 42.195 kilometres, or about 26 miles.championSomeone who keeps winning a competition or contest.refereeThe official in a game who enforces the rules and settles disputes.scoreThe number of points, goals, or runs each side has in a game or competition.