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

This is a great one, because some remote access trojans use the same technology as trustworthy remote access software. — Alan Henry, PC Magazine, 2 Oct. 2026

Clear ownership and consistent data definitions are critical to making that foundation trustworthy across functions. — Ann Blakely, Forbes.com, 2 Oct. 2026

This is encouraging — trustworthy system should be able to pump the breaks and realize when data inputs are too unreliable to make accurate estimations. — Euan Ashley, STAT, 1 Oct. 2026

And to gain full access to our thousands of trustworthy recipes—and our custom app—please consider subscribing. — Chris Morocco, Bon Appetit Magazine, 26 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