fitness

Language: en

🇬🇧 /ˈfɪtnɪs/ 🇺🇸 /ˈfɪtnəs/

📖 Definitions

  1. noun
    The state of being physically healthy and strong, especially as a result of regular exercise and proper nutrition.; The quality of being suitable or appropriate for a particular purpose or role.; In evolutionary biology, the ability of an organism to survive and reproduce in its environment, often measured by the number of offspring that survive to reproductive age.; The condition of being physically prepared for a specific activity, sport, or task, often referring to cardiovascular endurance, muscular strength, and flexibility.; The degree to which something is adequate or sufficient for a given purpose; adequacy.; In statistics and machine learning, a measure of how well a model or function fits a set of data, often used in genetic algorithms as a fitness function.

🔗 Details

Word forms

uncountable

Collocations

physical fitnessfitness levelfitness centerfitness testfitness regimefitness goalfitness tracker

Derivatives

fitunfitfitterfittestfittingfitted

Synonyms

healthwellnessconditionshapevigorstamina

Antonyms

unfitnessweaknessfrailty

Commonly confused

health
EN: 'Health' refers to overall well-being (physical, mental, social); 'fitness' specifically refers to physical capability and conditioning.
strength
EN: 'Strength' is the ability to exert force; 'fitness' is a broader concept encompassing endurance, flexibility, and overall physical condition.

Spelling tips

EN: Remember the double 't' in 'fitness' (from 'fit' + '-ness') and the double 's' at the end.

💬 Examples

  1. She goes to the gym five times a week to maintain her fitness.

  2. The committee questioned his fitness for the position of director.

  3. Natural selection favors traits that increase an organism's fitness in a given environment.

  4. The coach designed a training program to improve the team's overall fitness before the season started.

  5. The fitness of the evidence was challenged by the defense attorney.

  6. The fitness function evaluates how close each candidate solution is to the optimal result.