fittest

ADJECTIVE

suitable, appropriate

Synonyms

STRONGEST

able apt capable competent happy prepared qualified wise

STRONG

adapted becoming befitting correct correspondent deserving due equipped expedient fitted fitting meet ready right trained worthy

WEAK

adequate advantageous apposite beneficial comely comme il faut conformable convenient desirable equitable favorable feasible felicitous good enough just likely opportune practicable preferable proper rightful seasonable seemly tasteful timely well-suited

Antonyms

STRONGEST

ignorant incapable incompetent inept stupid unable unskilled

STRONG

imprecise improper inaccurate inappropriate incorrect unbecoming unfit unfitting unprepared unseemly unsuitable untrained unworthy wrong

WEAK

inadequate poor unsuited weak

ADJECTIVE

healthy, in good physical shape

Synonyms

STRONGEST

able-bodied competent robust slim strapping toned

STRONG

hale muscled sound trim well

WEAK

fit as a fiddle in good condition up to snuff wholesome wrapped tight

Antonyms

STRONGEST

infirm weak

STRONG

sick unhealthy

WEAK

inadequate inappropriate incorrect poor unfit unsuitable unsuited unworthy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Given what I went through, it's wild that it's the only thing I'm left with. I'm the healthiest and fittest I've ever been," she says.

From BBC • Mar. 7, 2026

This is Hyrox, the fitness competition that is rivaling triathlons and obstacle-course races to become the exercise challenge all the fittest people you know are signing up for.

From The Wall Street Journal • Feb. 27, 2026

New CEO Greg Abel might favor survival of the fittest.

From The Wall Street Journal • Jan. 22, 2026

"This will be a season of survival of the fittest but I can only put 20 players in the squad," said Ten Hag.

From BBC • Aug. 16, 2024

Davenport, the Harvard-trained zoologist famous for establishing the Eugenics Record Office, created a standardized evaluation form to judge the fittest babies.

From "The Gene" by Siddhartha Mukherjee