The condition of being physically fit and healthy.
Regular exercise is essential for maintaining good fitness.
The quality of being suitable to fulfill a particular role or task.
The fitness of the candidate for the managerial position was evaluated during the interview process.
The genetic contribution of an individual to the next generation's gene pool, often measured by the number of offspring or close kin that survive to reproductive age.
In evolutionary biology, fitness is a key concept that explains how certain traits become more common in a population.
fitnessadjective
Relating to physical exercise, health, or the industry built around them; used only before a noun.
She bought a new fitness tracker to monitor her workouts.