trustworthy

American

[truhst-wur-thee] / ˈtrʌstˌwɜr ði /

adjective

deserving of trust or confidence; dependable; reliable.

The treasurer was not entirely trustworthy.

Synonyms:

faithful, honorable, honest, true

trustworthy British

/ ˈtrʌstˌwɜːðɪ /

adjective

worthy of being trusted; honest, reliable, or dependable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See reliable.

Other Word Forms

trustworthily adverb
trustworthiness noun
untrustworthily adverb
untrustworthy adjective

Etymology

Origin of trustworthy

First recorded in 1800–10; trust + worthy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Family members or surrounding adults who are supposed to be safe and trustworthy figures are often the ones filming.”

From Los Angeles Times • Mar. 26, 2026

Annuities can also be used as part of Medicaid planning, if done with the guidance of a trustworthy attorney.

From MarketWatch • Mar. 26, 2026

“Structured data is the foundation of trustworthy AI.”

From The Wall Street Journal • Mar. 17, 2026

"Just as important," Nemenman says, "it may let us design new AI methods that are more accurate, efficient and trustworthy."

From Science Daily • Mar. 3, 2026

“Because I know you are capable of being trustworthy and responsible.”

From "The Strangers" by Margaret Peterson Haddix

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023