fitness

noun

fit·​ness ˈfit-nəs How to pronounce fitness (audio)
1
: the quality or state of being fit
2
: the capacity of an organism to survive and transmit its genotype to reproductive offspring as compared to competing organisms
also : the contribution of an allele or genotype to the gene pool of subsequent generations as compared to that of other alleles or genotypes

Examples of fitness in a Sentence

a gymnastics program promoting fitness and agility in school-aged children I have to question the fitness of wearing a bright red dress to a funeral.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With facilities including five treatment rooms, a meditation temple, rooftop vitality pool, and 24-hour fitness center, the resort’s riverfront spa is a world-class wellness destination on an island renowned as arguably the global leader in wellness tourism. Alexandra Kirkman, Forbes.com, 2 July 2025 Amenities: Restaurant, bars, indoor swimming pool, fitness center, spa, sauna, terrace Memmo Alfama is the first boutique hotel in the city’s oldest neighborhood, Alfama. Monica Mendal, Vogue, 1 July 2025 That puts less strain on your knees and core, and engages your hamstrings more, Andy Fata-Chan, PT, DPT, a physical therapist and fitness coach at Moment Physical Therapy & Performance in New York, tells SELF. Sara Coughlin, SELF, 1 July 2025 From the simplicity of an indoor Olympic-sized swimming pool that seems to emerge from the gardens, the spa reveals itself as a swoon-worthy shrine to well-being and fitness. Marcia Desanctis, Travel + Leisure, 30 June 2025 See All Example Sentences for fitness

Word History

First Known Use

1580, in the meaning defined at sense 1

Time Traveler
The first known use of fitness was in 1580

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Cite this Entry

“Fitness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fitness. Accessed 8 Jul. 2025.

Medical Definition

fitness

noun
fit·​ness ˈfit-nəs How to pronounce fitness (audio)
: the capacity of an organism to survive and transmit its genotype to reproductively fertile offspring as compared to competing organisms
also : the contribution of an allele or genotype to the gene pool of subsequent generations as compared to that of other alleles or genotypes

More from Merriam-Webster on fitness

Last Updated: - Updated example sentences
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