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Synonyms

untrustworthy

British  
/ ʌnˈtrʌstˌwɜːðɪ /

adjective

  1. not worthy of being trusted

    untrustworthy witnesses

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

The Nursing Home Abuse & Neglect Law Firm in Omaha, Neb., gives the following scenario: “An untrustworthy agent might put someone in a nursing home for their own benefit or convenience instead of actual need.”

From MarketWatch • Feb. 24, 2026

I’d only seen the trailer for “The Girlfriend” at the time of the shoot but knew I wanted something that contained the idea of untrustworthy narrators that seemed to be threaded throughout.

From Los Angeles Times • Dec. 23, 2025

When GPS has become so untrustworthy we need the help of quantum physics.

From The Wall Street Journal • Nov. 23, 2025

According to analysts, risks to stablecoins include an issuer deemed untrustworthy or the threat of hacking.

From Barron's • Nov. 10, 2025

Southside died a month later after having suffered with advanced lung cancer, his long-held view that doctors were untrustworthy having kept him from any sort of timely intervention.

From "Becoming" by Michelle Obama

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