noun

fitness

Physical health and strength, or suitability for a purpose.

Daily walks help her maintain her fitness and energy levels.

Etymology

The noun ending names the state of being fit. It can mean general suitability, or the particular physical condition that enables bodily effort.

More examples

  • Swimming improves fitness without putting much stress on the joints.
  • The interview helps us assess his fitness for the role.
  • The doctor evaluates her fitness to return to work.

Forms

fit adjective — Physically healthy or suitable for something.

Similar words

health
Describes overall physical condition, not necessarily strength or endurance.
suitability
Focuses on being appropriate for a particular purpose.