untrustworthy

adjective

un·​trust·​wor·​thy ˌən-ˈtrəst-ˌwər-t͟hē How to pronounce untrustworthy (audio)
Synonyms of untrustworthynext
: 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.
On the other hand, some types of sources such as public relations are rated as untrustworthy in general. — Florian Wintterlin, Encyclopedia Britannica, 23 Apr. 2026 Health officials, starting with Anthony Fauci, had been untrustworthy, self-interested, and aching for power. — David Blumenthal, STAT, 24 Mar. 2026 By and large, consumers are more skeptical of brands’ sustainability messaging; some 60 percent now avoid products from untrustworthy or unethical sources, per the report. — Alexandra Harrell, Footwear News, 14 May 2026 The conservative election group is advocating for paper ballots, saying Georgia’s voting machines are untrustworthy. — Caleb Groves, AJC.com, 27 Mar. 2026 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

Rhymes for untrustworthy

See All Rhymes for untrustworthy

Browse Nearby Words

untrustworthiness
untrustworthy
untrusty
See all Nearby Words

Cite this Entry

“Untrustworthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untrustworthy. Accessed 8 Jul. 2026.

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Thesaurus: All synonyms and antonyms for untrustworthy

Nglish: Translation of untrustworthy for Spanish Speakers

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