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
Synonyms
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
Other highlights include a formal dining room, an office, and a fitness/game room.
—
Demetrius Simms, Robb Report, 23 Apr. 2024
Advertisement Kelley was one of the Army doctors assigned to assess the Nazi prisoners’ mental fitness for trial in 1946.
—Pam Kragen, San Diego Union-Tribune, 22 Apr. 2024
The goals can be a wedding, hitting a fitness personal record, or an upcoming role in a film.
—Margaux Anbouba, Vogue, 19 Apr. 2024
According to one of her posts, she was inspired to delve into fitness after her mom introduced her to Pilates, and it's been a passion since.
—Emma Kershaw, Peoplemag, 18 Apr. 2024
Elkins questioned Burkett’s fitness as a parent and convinced Beard to kill her, the release says.
—Nicole Lopez, Fort Worth Star-Telegram, 18 Apr. 2024
The team is back in first place in the Eastern Conference standings heading into the home game Saturday against Nashville SC (7:30 p.m., Apple TV) and Messi is back to full fitness after missing nearly a month with a hamstring injury.
—Michelle Kaufman, Miami Herald, 17 Apr. 2024
More than six million viewers tuned in for the finale, in which Turner chose between Nist and Minnesota fitness instructor Leslie Fhima.
—The Indianapolis Star, 12 Apr. 2024
Most physically active adults with reasonable fitness goals may not need to stretch at all.
—Emma Yasinski, TIME, 11 Apr. 2024
Demetrius Simms, Robb Report, 23 Apr. 2024
Advertisement Kelley was one of the Army doctors assigned to assess the Nazi prisoners’ mental fitness for trial in 1946.
—Pam Kragen, San Diego Union-Tribune, 22 Apr. 2024
The goals can be a wedding, hitting a fitness personal record, or an upcoming role in a film.
—Margaux Anbouba, Vogue, 19 Apr. 2024
According to one of her posts, she was inspired to delve into fitness after her mom introduced her to Pilates, and it's been a passion since.
—Emma Kershaw, Peoplemag, 18 Apr. 2024
Elkins questioned Burkett’s fitness as a parent and convinced Beard to kill her, the release says.
—Nicole Lopez, Fort Worth Star-Telegram, 18 Apr. 2024
The team is back in first place in the Eastern Conference standings heading into the home game Saturday against Nashville SC (7:30 p.m., Apple TV) and Messi is back to full fitness after missing nearly a month with a hamstring injury.
—Michelle Kaufman, Miami Herald, 17 Apr. 2024
More than six million viewers tuned in for the finale, in which Turner chose between Nist and Minnesota fitness instructor Leslie Fhima.
—The Indianapolis Star, 12 Apr. 2024
Most physically active adults with reasonable fitness goals may not need to stretch at all.
—Emma Yasinski, TIME, 11 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fitness.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near fitness
Cite this Entry
“Fitness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fitness. Accessed 26 Apr. 2024.
Copy CitationMedical Definition
fitness
noun
fit·ness
ˈfit-nəs 
: 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
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