untrustworthy

adjective

un·​trust·​wor·​thy ˌən-ˈtrəst-ˌwər-t͟hē 

: 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

Today’s Theme At 60-Across, we’re asked for a term that describes something [Like an untrustworthy business] — which, the revealer clue suggests, doubles as [a hint to the ends of 17-, 29-, 39- and 47-Across]. — Sam Corbin, New York Times, 27 Oct. 2026

Platner’s noisy ascension and implosion didn’t just leave the Democrats looking untrustworthy. — Chris Smith, Vanity Fair, 26 Oct. 2026

Specifically, cues setting expectations of a disappointing or untrustworthy result will reduce motivation. — Christopher Miller, The Conversation, 15 Oct. 2026

Salton is devious and untrustworthy, but is Batter’s only clear path to a promotion. — Leigh Haber, Los Angeles Times, 13 Oct. 2026

Word History

First Known Use

circa 1846, in the meaning defined above

Rhymes for untrustworthy

• creditworthy
• blameworthy
• newsworthy
• noteworthy
• praiseworthy
• trustworthy
• unworthy
• worthy