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

When a user, expecting to install a trustworthy clipboard manager, encounters the disk image, they’re prompted to press Command-R immediately after double-clicking it. — Dan Goodin, ArsTechnica, 2 July 2026

The New Playbook For Effective, Trustworthy AI ​ GenAI decisions that are hallucination-free and fully auditable are the key to AI that is trustworthy and can pass regulatory scrutiny. — Scott Zoldi, Forbes.com, 2 July 2026

The same research found that about half of respondents report feeling anxious about their finances or having trouble sleeping because of money worries, underscoring why choosing a trustworthy debt relief partner can matter when seeking help. — Angelica Leicht, CBS News, 30 June 2026

That balance between onboard control and mobile management made the system feel considerably more trustworthy during actual outage scenarios. — Michael Lydick, PC Magazine, 29 June 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