false-hearted Synonyms

shonky swindling subtle shifty sharp shady roguish recreant rascally perfidious mendacious traitorous treacherous tricky dishonourable amoral double-crossing dodgy two-faced untrustworthy untrue unreliable unfaithful truthless lying knavish designing deceptive deceiving deceitful crooked criminal crafty corrupt cheating bent dirty dishonest disloyal janus-faced inconstant immoral illegal hollow-hearted fraudulent false faithless double-faced disreputable adulterine