deceitful Synonyms

fraudulent janus-faced duplicitous two-faced fallacious ambidextrous swindling treacherous sly snaky sneaky snide traitorous sophistic sophistical specious thievish spurious stealthy subdolous subreptitious surreptitious treasonable shifty pawky perfidious perjurious picaresque plausible plotting prestigiatory rascally slippery retiary roguish rotten sanctimonious scheming seditious shady opportunist treasonous yellowing untrustworthy two-timing bi phoney four-flusher dodgy below the belt