truthless Synonyms

intentionally untrue shady roguish rascally perjured perfidious mendacious lying knavish janus-faced immoral specious spurious dishonourable counterfactual amoral dodgy untrustworthy untruthful untrue unfair treacherous subtle illegal hollow-hearted fraudulent designing deceptive deceiving deceitful cunning crooked criminal crafty corrupt cheating devious dirty forsworn fickle false-hearted false fallacious faithless erroneous double-faced disreputable dishonest bent