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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

The magistrate said: "You've shown complete disregard of the entire process, and it would be wholly unsuitable to put you back into the community at this time."

From BBC • Feb. 20, 2026

Veterans objected to the 8-foot-by-8-foot units as unsuitable.

From Los Angeles Times • Feb. 11, 2026

“Oh stop at once,” she murmured, deep in some unsuitable dream.

From "Secrets at Sea" by Richard Peck

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.