false-hearted Synonyms

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