untrustworthy

adjective

un·​trust·​wor·​thy ˌən-ˈtrəst-ˌwər-t͟hē How to pronounce untrustworthy (audio)
: not dependable or worthy of confidence : not trustworthy
an untrustworthy person
an untrustworthy source

Examples of untrustworthy in a Sentence

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.
Two different state attorneys declared Lopez untrustworthy. Scott Maxwell, The Orlando Sentinel, 13 June 2025 People with basolateral amygdala damage tend to send much more than others, even to untrustworthy trustees who fail to reciprocate. Tobias Kalenscher, Scientific American, 13 June 2025 The humor of the books is darker and drier, partly because it comes filtered entirely through the perspective of a cyborg that views humanity as inherently untrustworthy and violence as a frustrating but useful chore. Kathryn Vanarendonk, Vulture, 16 May 2025 This makes the administration seem like a particularly untrustworthy locus for a registry to track autistic people. Thomas G. Moukawsher, MSNBC Newsweek, 24 Apr. 2025 See All Example Sentences for untrustworthy

Word History

First Known Use

circa 1846, in the meaning defined above

Time Traveler
The first known use of untrustworthy was circa 1846

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Cite this Entry

“Untrustworthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untrustworthy. Accessed 6 Jul. 2025.

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