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

There’s something untrustworthy about Walter. —Brian Hiatt, Rolling Stone, 16 Mar. 2026

The last thing Ravens owner Steve Bisciotti and general manager Eric DeCosta want is the organization to be labeled untrustworthy in negotiations and trade talks. —Jeff Zrebiec, New York Times, 11 Mar. 2026

There’s just something instantly untrustworthy about Sidney’s neighbor and friend, to the extent that her eventual reveal feels more inevitable than shocking. —Louis Peitzman, Vulture, 27 Feb. 2026

An evil global cabal, an ineffectual justice system, the exercise of unchecked power by untrustworthy experts—these are familiar themes. —Joshua Rothman, New Yorker, 24 Feb. 2026

Word History

First Known Use

circa 1846, in the meaning defined above

Rhymes for untrustworthy

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