Synonyms of trustworthy

trustworthy

adjective

ˈtrəst-ˌwər-t͟hē 

as in reliable

worthy of one's trust

a trustworthy bodyguard who would never blab to the tabloids

Synonyms & Similar Words

• reliable
• responsible
• safe
• true
• good
• dependable
• steady
• solid
• loyal
• secure
• trustable
• trusty
• sure
• calculable
• strong
• faithful
• tried
• steadfast
• honest
• devoted
• constant
• tried-and-true
• sincere
• fast
• staunch
• infallible
• effective
• proven
• sound
• unerring
• valid
• true-blue
• firm
• confirmed
• unimpeachable
• unquestionable
• telling
• validated
• authenticated
• blameless
• single-minded
• verified
• irreproachable
• faultless
• impeccable
• attested
• guiltless
• bedrock
• inerrant

Antonyms & Near Antonyms

• unreliable
• untrustworthy
• uncertain
• unsafe
• undependable
• false
• unfaithful
• treacherous
• disloyal
• untrue
• faithless
• dishonest
• fickle
• perfidious
• traitorous
• inconstant
• deceitful
• uncertain
• doubtful
• questionable
• lying
• dodgy
• problematic
• untruthful
• dubious
• mendacious
• hazardous
• shaky
• shady
• suspect
• risky
• debatable
• unsound
• fishy
• disputable
• recreant
• untried
• unconfirmed
• doubtable

Example Sentences

Recent Examples of trustworthy

Cress added that while this type of model helicopter boasts a light, single-engine design that is usually trustworthy, the chopper’s blades can lose their momentum in rotation immediately if there is engine failure. — David Chiu, PEOPLE, 17 Sep. 2026

Party membership exploded from roughly 40,000 in 1937 to 800,000 by 1940, which meant that almost everyone in the organization was new and not yet trustworthy in the eyes of party leaders. — Andrew Mertha, Foreign Affairs, 17 Sep. 2026

But right now, the truth is that in many ways the systems are not capable of being trustworthy over long periods, and that’s part of what this Hugging Face thing has shown. — Tyler Foggatt, New Yorker, 17 Sep. 2026

The report also found that an AI retail model is only as trustworthy as the data it is built upon. — Arthur Zaczkiewicz, Footwear News, 11 Sep. 2026