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

Four Predictions On What Comes Next The next decade could belong to organizations that create the most trustworthy ecosystems for turning data into understanding. — Bill Oldham, Forbes.com, 23 Sep. 2026

Cress added that while this type of model helicopter boasts a light, single-engine design that is usually trustworthy, the chopper’s blades can lose their momentum in rotation immediately if there is engine failure. — David Chiu, PEOPLE, 17 Sep. 2026

Party membership exploded from roughly 40,000 in 1937 to 800,000 by 1940, which meant that almost everyone in the organization was new and not yet trustworthy in the eyes of party leaders. — Andrew Mertha, Foreign Affairs, 17 Sep. 2026

But right now, the truth is that in many ways the systems are not capable of being trustworthy over long periods, and that’s part of what this Hugging Face thing has shown. — Tyler Foggatt, New Yorker, 17 Sep. 2026

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