fit·ness /ˈfitnəs/ noun noun: fitness
- the condition of being physically fit and healthy. "disease and lack
of fitness are closely related"
synonyms: health, strength, robustness, sturdiness, hardiness, vigor, lustiness, stalwartness, athleticism, toughness, ruggedness, physical fitness, muscularity, tone, good health, good condition, good shape, well-being, state of health, condition, shape, trim, fettle;
informal huskiness, nick
"polo requires tremendous fitness"
- the quality of being suitable to fulfill a particular role or task.
"he had a year in which to establish his fitness for the office."
synonyms: suitability, capability, competence, competency, proficiency, ability, aptitude, readiness, preparedness, qualification, eligibility, worthiness, appropriateness, appropriacy, adequacy.
"he was called before medical boards to assess his fitness for active service"
antonyms: unfitness, unsuitability
- an organism's ability to survive and reproduce in a particular environment.
plural noun: fitnesses
"if sharp teeth increase fitness, then genes causing teeth to be sharp will increase in frequency"