satanical
Sa*tan"ic, Sa*tan"ic*al, a. Etym: [Cf. F. satanique, GR. Defn: Of or pertaining to Satan; having the qualities of Satan; resembling Satan; extremely malicious or wicked; devilish; infernal. "Satanic strength." "Satanic host." Milton. Detest the slander which, with a Satanic smile, exults over the character it has ruined. Dr. T. Dwight. -- Sa*tan"ic*al*ly, adv. -- Sa*tan"ic*al*ness, n.