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

Predictive lending requires access to data, and an untrustworthy provider might willingly or unwillingly share that data with the wrong people. —Arleo Dordar, Forbes.com, 29 Apr. 2025

Russia and China each possess hundreds of long-range ballistic missile launchers, while the North Korean ICBM force's operational status remains uncertain due to untrustworthy or limited public sources, according to the Stockholm International Peace Research Institute. —Mohammed Soliman, MSNBC Newsweek, 29 Apr. 2025

The suit also paints a clownish portrait of the entrepreneur, portraying him as pompous, shameless, and untrustworthy. —Rachel Corbett, Vulture, 16 Apr. 2025

This acronym stands for All Women Are Like That and is used to promote the idea that all women are inherently untrustworthy or manipulative. —Samantha Mann, Parents, 8 Apr. 2025

Word History

First Known Use

circa 1846, in the meaning defined above

Rhymes for untrustworthy

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