What is full of, or characterized by, deceit; serving to mislead or insnare; trickish; fraudulent; cheating; insincere. Harboring foul deceitful thoughts. Shak called?

deceitful — Full of, or characterized by, deceit; serving to mislead or insnare; trickish; fraudulent; cheating; insincere. Harboring foul deceitful thoughts. Shak. (Webster's 1913.)

Sources