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

In February 2020, for instance, senior intelligence officials briefed him on efforts to protect elections from foreign interference and ensure that voting machines were trustworthy. — Michael Scherer, The Atlantic, 17 July 2026

Connecting the dots in massive data ecosystems AI is only as trustworthy as the data feeding it. — Nia Bowers, USA Today, 16 July 2026

Managers who use medium to high levels of AI assistance in writing emails, for instance, are seen as less authentic and trustworthy, according to a study published in July 2025. — Sophie Caldwell, CNBC, 15 July 2026

Instead, the Plaintiffs were labeled ‘troublemakers’ by the school and, therefore, not trustworthy. — Austin Horn july 14, Miami Herald, 14 July 2026