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.

The United States told the WTO last December that it considers the principle "unsuitable for this era".

From Barron's • Mar. 20, 2026

We were only legally able to limit the list as a result of Ms. Roth’s office raising whether some locations might be unsuitable.

From The Wall Street Journal • Mar. 20, 2026

Horta said she never was told of the attacks, which made Maximus unsuitable for public adoption, and he was placed on the city’s New Hope list, which is accessible to registered nonprofit rescues.

From Los Angeles Times • Feb. 26, 2026

She said a cooling system fitted in the mortuary was not working and was unsuitable anyway because of the size of the room.

From BBC • Feb. 19, 2026

Usually, she was so eager to let it lead her into an undiscovered world, one she had never been to before, that she often started to read at the most unsuitable moments.

From "Inkheart" by Cornelia Funke

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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