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

Another is the independent landlord market, where individual owners need fast and trustworthy verification before approving a tenant. —Daniel Fusch, USA Today, 5 Dec. 2025

In addition to booming buzz about the cutting-edge of AI capabilities, many researchers here are thinking about how to design and deploy safer and more trustworthy AI systems. —Christian Orozco, NBC news, 4 Dec. 2025

Cold Steel is a seasoned and trustworthy knife maker, producing many different specialty products. —Outside, 3 Dec. 2025

Christian Watson is the only trustworthy Packers wide receiver, and Jayden Reed is close to returning. —Jake Ciely, New York Times, 2 Dec. 2025

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