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

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

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