untrustworthy

Definitions

Not able to be relied upon as honest or truthful.

Not deserving of trust or confidence.

Examples

The salesman seemed untrustworthy, so I decided not to buy the car.

It is difficult to maintain a friendship with someone who has proven to be untrustworthy.

The witness provided an untrustworthy account of the events that took place that night.

Synonyms

deceitful dishonest unreliable treacherous shifty deceptive insincere

Antonyms

trustworthy reliable honest dependable loyal faithful sincere