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.
Not for the first time, Superman’s opponents try to paint him as an untrustworthy foreigner. Jake Coyle, Mercury News, 10 July 2025 However, this would leave us in a fiscal situation similar to that of many developing nations, with galloping inflation and untrustworthy currency. Ivo Welch, Boston Herald, 8 July 2025 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 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 20 Jul. 2025.

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