fitness

 
Pronunciation: /ˈfɪtnəs/

noun

[mass noun]
  • 1the condition of being physically fit and healthy: disease and lack of fitness are closely related [as modifier]: a fitness test
  • Biology an organism’s ability to survive and reproduce in a particular environment: if sharp teeth increase fitness, then genes causing teeth to be sharp will increase in frequency
  • 2 (fitness for/to do) the quality of being suitable to fulfil a particular role or task: the medical board assessed his fitness for active service