Definitions

unsuitable

[uhn-soo-tuh-buhl] / ʌnˈsu tə bəl /

ADJECTIVE

not proper, inappropriate

Synonyms

STRONGEST

improper inadequate inadmissible incompatible incongruous ineligible irrelevant unacceptable unfit unsuited

WEAK

clashing disagreeable discordant discrepant disparate disproportionate dissident dissonant ill-suited inapposite inapt inconsistent infelicitous inharmonious interfering jarring malapropos out of character out of keeping out of place senseless unbecoming unbefitting uncalled-for undue unfitting unmatched unseasonable unseemly

Antonyms

STRONGEST

able acceptable appropriate compatible fitting harmonious qualified suitable

WEAK

proper

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.

"Abandonment wasn't because the site became ecologically unsuitable in any absolute sense. Bison were still around, vegetation hadn't changed, and there was no substantive shift in fire activities," Wendt pointed out.

From Science Daily • Jun. 11, 2026

Sick babies – who were considered unsuitable for adoption – were allowed to die at a church-run mother and baby home in Cumbria, according to a new study of documents by a leading academic.

From BBC • Jun. 10, 2026

That proves infeasible when he realizes, amid heavy snowfall, that the first stretch, Massachusetts’ 34-mile Johnny Appleseed Trail, is not a forest path but a paved highway unsuitable for pedestrians.

From The Wall Street Journal • May 26, 2026

Cryptocurrencies are fundamentally unsuitable for retirement accounts due to extreme volatility and the fact that they lack concrete underlying value.

From Los Angeles Times • Apr. 10, 2026

Even a visitor to the Fertile Crescent in 9500 B.C. rather than in 8500 B.C. could have been misled into supposing the Fertile Crescent permanently unsuitable for food production.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Vocabulary lists containing unsuitable

"The Bet" by Anton Chekhov

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Stuart Little

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Way Off: Synonyms for "Wrong"

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