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 of trustworthy

• 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

Fledgling entrepreneurs fell over each other to position themselves as the vendors of the newest, hottest, most effective, most trustworthy certificates of removed CO2. —Literary Hub, 5 Nov. 2025

This, in turn, creates a feedback loop where accurate, trustworthy information is rewarded while low-quality or potentially misleading content loses influence. —Matthew Kayser, USA Today, 4 Nov. 2025

Researchers should work to reform the AI industry to be more ethical, equitable, and trustworthy. —Bruce Schneier, IEEE Spectrum, 29 Oct. 2025

Many impersonators use public details like your hometown, workplace or family connections to build fake profiles that seem trustworthy. —Kurt Knutsson, FOXNews.com, 28 Oct. 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