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.

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

In response to a contract dispute, the Pentagon declared Anthropic a supply-chain risk unsuitable for military work, increasing the urgency of offering other models to servicemembers in classified settings.

From The Wall Street Journal • May 1, 2026

Paul Martin, who lives near Newtown in Powys, said the cottages, two of which are "restricted to holiday use", are "very close" to his home making them unsuitable to be sold as separate residential homes.

From BBC • Apr. 6, 2026

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

From Barron's • Mar. 20, 2026

The contracting phase will be unsuitable because it has no strong thermodynamic arrow of time.

From "A Brief History of Time: And Other Essays" by Stephen Hawking

Vocabulary lists containing unsuitable

"The Bet" by Anton Chekhov

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Stuart Little

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Way Off: Synonyms for "Wrong"

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!