View synonyms for fitness


[ fit-nis ]


  1. capability of the body of distributing inhaled oxygen to muscle tissue during increased physical effort.
  2. Also called Dar·win·i·an fit·ness [dahr-, win, -ee-, uh, n]. Biology.
    1. 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.
    2. the ability of a population to maintain or increase its numbers in succeeding generations.


/ ˈfɪtnɪs /


  1. the state of being fit
  2. biology
    1. the degree of adaptation of an organism to its environment, determined by its genetic constitution
    2. the ability of an organism to produce viable offspring capable of surviving to the next generation

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Word History and Origins

Origin of fitness1

First recorded in 1570–80; fit 1 + -ness
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Example Sentences

“We’re disguising fitness,” said Brett Fuller, the president of SHAPE’s national board of directors, and a curriculum specialist for health and physical education in Milwaukee Public Schools.

Onlookers and friends have taken note of Adams’s garbage hauling habit, including his fitness trainer, Jamie Bredbenner.

So, as fitness improves over time, WHOOP has the data to prove it.

The numbers beat Wall Street expectations and are showing no sign of slowing, with another massive quarter expected for the connected fitness brand.

Lieberman knows how to make the science and physiology approachable and has a compassionate view of those of us who struggle to maintain a fitness routine.

The amenities include a fitness room, a sauna, a beauty parlor, and a karaoke setup.

Sure, your cubicle mate, neighbor, and aunt all own a Fitbit or JawBone fitness tracker.

Exercise improves not only physical fitness and health, but also mood and cognition.

“LCDR Peters is an outstanding Supply Corps officer…” says one one fitness report from 2004.

The NFL, for instance, has a fitness campaign designed to address childhood obesity.

An implied warranty as to quality or fitness for a particular purpose may also be annexed by the usage of trade.

He could fence, ride, and carry off the prize in games requiring physical prowess as well as mental fitness.

Ida and Carry were bent upon dressing alike; no easy matter to do, consistently with their perceptions of colours and fitness.

The special fitness of the notation for the scales of the Enharmonic genus may be regarded as a further indication of its date.

The close association of Parpon and Valmond—that was droll; yet, too, it had a sort of fitness, she knew scarcely why.





fitnafitness tracker