Adverbs for Double-faced

successfully; underhandedly; shrewdly; proverbtally; manifestly; suavely; subtly; cunningly; insidiously; notoriously; infamously; surreptitiously; artfully; craftily; deceitfully; remarkably; dangerously; cleverly; alarmingly; distressingly; maneuveringly; plaguedly; adroitly; sanctimoniously.