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

Businesses that state clear standards around provenance, validation and transparency will be in a far stronger position to innovate knowing that the foundations of their AI strategy remain trustworthy. — Crispin Beale, Forbes.com, 7 Aug. 2026

This could work, provided those companies publish clear, trustworthy and technically accessible material. — Kaitlyn Gomez, USA Today, 6 Aug. 2026

Having a trustworthy boundary target on the field more often than not can help open things up for Allen and the offense. — Joe Buscaglia, New York Times, 4 Aug. 2026

Shoppers end up buying based on information that was never trustworthy to begin with. — Arthur Zaczkiewicz, Footwear News, 4 Aug. 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