Synonyms of unintentionalnext
: not done by intention or design : not intentional
an unintentional effect
causing unintentional harm/offense
unintentionally adverb
an unintentionally offensive remark

Synonyms of unintentional

Examples of unintentional in a Sentence

an unintentional encounter with an old classmate at the mall an unintentional insult that nevertheless was very hurtful
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Chronic disease can lead to loss of weight and muscle, and unintentional weight loss can be a sign of an underlying medical problem. Faye Chiu, CNN Money, 26 Aug. 2026 Because despite its massive bottle number, some unintentional smoke and mirrors occurred. Michael Deeds, Idaho Statesman, 24 Aug. 2026 Mitchell’s own imitation of Spielbergian life, despite its meticulous re-creation (and gleeful destruction) of eighties suburbia, stumbles into an uncanny valley between sincerity and cynicism, between unintentional comedy and deliberate homage. Justin Chang, New Yorker, 17 Aug. 2026 Cook argues this creates an unintentional selfishness, in which your anxious thoughts distract you from noticing what’s actually going on with the people around you. Hannah Harper, HEALTH, 14 Aug. 2026 See All Example Sentences for unintentional

Word History

First Known Use

1782, in the meaning defined above

Time Traveler
The first known use of unintentional was in 1782

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Cite this Entry

“Unintentional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unintentional. Accessed 1 Sep. 2026.

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