- the genetic contribution of an individual to the next generation's gene pool relative to the average for the population, usually measured by the number of offspring or close kin that survive to reproductive age.
- the ability of a population to maintain or increase its numbers in succeeding generations.
Examples from the Web for fitness
The amenities include a fitness room, a sauna, a beauty parlor, and a karaoke setup.Inside the ‘Surprisingly Great’ North Korean Hacker Hotel|Michael Daly|December 20, 2014|DAILY BEAST
“LCDR Peters is an outstanding Supply Corps officer…” says one one fitness report from 2004.The (Sloppy) Swift-Boating of Michigan Democrat Gary Peters|Tim Mak|October 13, 2014|DAILY BEAST
The NFL, for instance, has a fitness campaign designed to address childhood obesity.College Football Fattens Players Up and Then Abandons Them|Evin Demirel|October 4, 2014|DAILY BEAST
Or Sensoria, a new athletic-wear company whose socks have GPS and whose shirts have a fitness tracker built into the bra.
When the doctors in his group get fitness band data, they have time to put some thought into what the information implies.
The troops were kept in excellent training, to ensure their fitness to take the field at a moment's notice.South Africa and the Transvaal War, Vol. 2 (of 6)|Louis Creswicke
As each of these stages is passed, the thing used as money either increases or decreases in its fitness.The Principles of Economics|Frank A. Fetter
Her woman's sense of the fitness of things rose keenly to quiet the boy's grief over his indiscretion.Tess of the Storm Country|Grace Miller White
And what is useful is fit, and fitness is the first condition of beauty.Concerning Animals and Other Matters|E.H. Aitken, (AKA Edward Hamilton)
Selection must be and is made, of course, but it is made on arbitrary lines, or for reasons unrelated to fitness.A Librarian's Open Shelf|Arthur E. Bostwick
British Dictionary definitions for fitness
- the degree of adaptation of an organism to its environment, determined by its genetic constitution
- the ability of an organism to produce viable offspring capable of surviving to the next generation