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

Theodore Skondras, 23, a master’s student at the Massachusetts Institute of Technology, applied to accelerator Y Combinator with a coding project aimed at making payments between AI agents more trustworthy. —Rachyl Jones, semafor.com, 15 May 2026

Its goal is to ensure that AI developed and used in Europe is trustworthy, human-centric and respectful of fundamental rights, while also supporting innovation and competitiveness. —Nick Vivarelli, Variety, 15 May 2026

That's what trustworthy AI should mean now. —Sandeep Shilawat, Forbes.com, 15 May 2026

The brand's gift packaging and presentation create exceptional value because customers use their products as trustworthy holiday, Father's Day, and corporate gift options. —Lyssanoel Frater, USA Today, 14 May 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