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untrustworthy Synonyms
Another word for untrustworthy
Choosing another word for untrustworthy that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
• adjective (Context 1)
Not able to be relied upon as honest, truthful, or dependable.
Usage Example
"The committee decided not to award the contract to a vendor with a reputation for being unreliable."
Strongest
unreliable
dishonest
Strong
deceitful
treacherous
duplicitous
shady
perfidious
shifty
Weak
shiftless
Opposites of untrustworthy
The opposite of untrustworthy shifts depending on context. Common opposites include:
trustworthy
reliable
dependable
honest
faithful
credible
reputable
upright
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Untrustworthy. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/untrustworthy