trustworthy

adjective

trust·​wor·​thy ˈtrəst-ˌwər-t͟hē 

: worthy of confidence : dependable

a trustworthy guide

trustworthy information

trustworthily

ˈtrəst-ˌwər-t͟hə-lē 

adverb

trustworthiness noun

Synonyms

• reliable
• responsible
• safe
• true

Examples of trustworthy in a Sentence

a trustworthy bodyguard who would never blab to the tabloids

Recent Examples on the Web

In other words, the things that matter going forward will be good reviews and review site management, great social presence, valuable and trustworthy online content, case studies and showcases of your work and media mentions in relevant, trustworthy titles. —Lis Anderson, Forbes.com, 8 Aug. 2025

Governance models are the guardrails that keep AI systems trustworthy and aligned with human values. —Murugan Anandarajan, The Conversation, 6 Aug. 2025

And as politicians, these Supreme Court Justices are especially bristling, equivocating, and entitled, which doesn’t make for trustworthy narration. —James Folta, Literary Hub, 5 Aug. 2025

About 63% of Americans find AI trustworthy for health guidance. —Kurt Knutsson, FOXNews.com, 31 July 2025

Word History

First Known Use

1658, in the meaning defined above

Rhymes for trustworthy

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

Kids Definition

trustworthy

adjective

trust·​wor·​thy ˈtrəst-ˌwər-t͟hē 

: deserving confidence : dependable

trustworthy information

a trustworthy babysitter

trustworthiness

-t͟hē-nəs

noun

Legal Definition

trustworthy

adjective

trust·​wor·​thy

: worthy of confidence

specifically : being or deriving from a source worthy of belief or consideration for evidentiary purposes

a trustworthy informant

trustworthiness noun