fitness

noun

fit·​ness ˈfit-nəs 

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

• health
• healthiness
• heartiness
• robustness
• sap
• soundness
• verdure
• wellness
• wholeness
• wholesomeness

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

On the contrary, El Dorado Maroma is packed with amenities, including 11 restaurants and bars, multiple pools, a spa, and a fitness center. —Meagan Drillinger, Travel + Leisure, 9 June 2024

In the comments section, Hough received tons of praise for fitness routine and toned physique. —Vanessa Etienne, Peoplemag, 7 June 2024

For example, in 2016, the facility was expanded to increase the fitness floor size, and in 2020, the locker rooms were renovated. —Rick Mauch, Fort Worth Star-Telegram, 6 June 2024

Lumin Fitness’s entry into the market comes at a time when boutique fitness continues to grow. —Christiaan Hetzner, Fortune, 5 June 2024

Word History

First Known Use

1580, in the meaning defined at sense 1

Phrases Containing fitness

• physical fitness

Medical 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