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.

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

Tourists can face infectious diseases, accidents, injuries, violence, unsafe food or water, and other risks linked to poor planning or unsuitable travel choices.

From Science Daily • May 4, 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

The girl was completely unsuitable when she first came to us.'

From "The Remains of the Day" by Kazuo Ishiguro

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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