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

• calculable
• dependable
• good
• reliable
• responsible
• safe
• secure
• solid
• steady
• sure
• tried
• tried-and-true
• true
• trustable
• trusty

Examples of trustworthy in a Sentence

a trustworthy bodyguard who would never blab to the tabloids

Recent Examples on the Web

But finding affordable, trustworthy travel sets that are built to last can be like trying to get rest on a plane or navigating a foreign transit system — at times nearly impossible. —Kelsey Fredricks, Travel + Leisure, 6 Dec. 2024

Here are three red flags that could indicate your date isn’t trustworthy. —Aditi Shrikant, CNBC, 5 Dec. 2024

Our audience can count on dedication and consistent professionalism because NBC 7 is a trustworthy source for meaningful stories across all platforms. —Nbc San Diego, NBC News, 28 Nov. 2024

Our system, contrary to the former president’s accusations, is safe and trustworthy. —Sun Sentinel Editorial Board, Sun Sentinel, 28 Nov. 2024

Word History

First Known Use

1658, in the meaning defined above

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