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

Institutions must have strong leadership, well-functioning advancement offices, trustworthy data, clear priorities, and the ability to explain how an investment will improve students’ lives. — Marybeth Gasman, Forbes.com, 26 July 2026

Olufowobi also provided an example of how a trustworthy AI model is key in certain situations, such as when there is output to the electricity grid. — Elizabeth Campbell, Fort Worth Star-Telegram, 24 July 2026

If Young doesn’t improve, Tetairoa McMillan will be the only fantasy-trustworthy receiver in Carolina. — Jake Ciely, New York Times, 22 July 2026

The work addresses a problem that has remained largely unsolved in the field and could eventually make future quantum processors far more trustworthy. — Rupendra Brahambhatt, Interesting Engineering, 18 July 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