Fitness

//ˈfɪt.nəs// noun, slang

noun, slang ·Common ·High school level

Definitions

Noun
  1. 1
    The condition of being fit, suitable or appropriate. uncountable, usually

    "Having introduced my two characters separately, let me present them together. Why not? He, young, wealthy, honorable; she also young, also intelligent — why not bring them together? There is an eternal fitness in all things, and nothing more so than in the case of man and woman."

  2. 2
    the quality of being suitable wordnet
  3. 3
    The cultivation of an attractive and/or healthy physique. uncountable, usually

    "Carroll has been edging slowly towards full fitness after his expensive arrival from Newcastle United and his partnership with £23m Luis Suarez showed rich promise as Liverpool controlled affairs from start to finish."

  4. 4
    the quality of being qualified wordnet
  5. 5
    An organism's or species' degree of success in finding a mate and producing offspring. uncountable, usually
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  1. 6
    good physical condition; being in shape or in condition wordnet
  2. 7
    The condition of being attractive, fanciable or beautiful. UK, slang, uncountable, usually

Synonyms

All synonyms
abilityablenessacceptabilityaccountadequacyadmissibility

Example

More examples

"You can apply for a physical fitness test regardless of your age."

Etymology

From fit + -ness. First attested in the 16th century, with the physical sense from 1935.

Related phrases

aquatic fitnessfitness ballfitness centerfitness centrefitness clubfitness landscapefitness modelhealth and fitness ageinclusive fitnesspole fitnesswarrant of fitnesswater fitness

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.