Found 2 items, similar to demoniacal.
English → English (WordNet) Definition: demoniacal demoniacal adj 1: in a murderous frenzy as if possessed by a demon; “the soldier was completely amuck”; “berserk with grief”; “a berserk worker smashing windows” [syn: amuck, amok, berserk, demoniac, possessed(p)] 2: resembling or suggesting possession by a demon; “demoniac energy”; “a demoniacal fit” [syn: demoniac]
English → English (gcide) Definition: Demoniacal Demoniac \De*mo"ni*ac\, Demoniacal \Dem`o*ni"a*cal\ (?; 277), a. [L. daemoniacus, fr. daemon; cf. F. d['e]moniaque. See Demon.] 1. Pertaining to, or characteristic of, a demon or evil spirit; devilish; as, a demoniac being; demoniacal practices. [1913 Webster] Sarcastic, demoniacal laughter. --Thackeray. [1913 Webster] 2. Influenced or produced by a demon or evil spirit; as, demoniac or demoniacal power. “Demoniac frenzy.” --Milton. [1913 Webster] 3. resembling or suggesting possession by a demon; as, demoniac energy. [WordNet 1.5] 4. in a murderous frenzy as if possessed by a demon. Syn: amuck, amok, berserk, demoniac, possessed(predicate). [WordNet 1.5]