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

But a market in the hands of small-caps, chain retailers, railroads and biotech firms is likely a more hazardous, less trustworthy one. —Michael Santoli, CNBC, 20 Dec. 2025

The common thread, Singh said, is moving beyond structures on paper to operational practices that make AI safe, trustworthy, and fit for purpose. —Sheryl Estrada, Fortune, 18 Dec. 2025

It is seen as formidable but not completely trustworthy; its leadership powerful but not quite legitimate. —Zongyuan Zoe Liu, Foreign Affairs, 16 Dec. 2025

Another is the independent landlord market, where individual owners need fast and trustworthy verification before approving a tenant. —Daniel Fusch, USA Today, 5 Dec. 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