unsuitable
Americanadjective
adjective
Other Word Forms
Etymology
Origin of unsuitable
Explanation
Something that's unsuitable doesn't work well or is out of place. A kitchen knife is unsuitable for sawing firewood. You can use the adjective unsuitable to describe something that isn't well suited for a use: flip flops are unsuitable shoes to wear in a blizzard. It's also a good word for something that's disappointing or undesirable: "No, that guy in the clown suit would be a completely unsuitable boyfriend for me." At the root of unsuitable is the meaning of suit, "be agreeable or convenient," that's thought to come from "provide a suit of clothes."
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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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.
As a result, “Lion” is not unsuitable viewing for kids, although there will be a “Bambi” moment, if you know what I mean.
From The Wall Street Journal ● Aug. 18, 2026
Although many tool compounds are unsuitable for use as medicines because they may affect unintended targets or cause toxicity, they are still highly valuable for investigating what a protein does.
From Science Daily ● Aug. 3, 2026
Concerns about unsuitable weather patterns and reduced supplies of fertilizer components from the Middle East are helping push grain prices up, too.
From MarketWatch ● Jul. 24, 2026
Davies said other factors included drivers relying on car sat-navs, unsuitable diversion routes and, in some cases, motorists deciding to "take a chance".
From BBC ● Jul. 5, 2026
Then she has the nerve to tell me that my plain taffeta dress is unsuitable for the Tropicana.
From "Dreaming in Cuban" by Cristina García
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.