/ Thesaurus / D Synonyms of demoniacal Find synonyms for: Adjective1. amuck, amok, berserk, demoniac, demoniacal, possessed(predicate), insane (vs. sane)usage: frenzied as if possessed by a demon; "the soldier was completely amuck"; "berserk with grief"; "a berserk worker smashing windows"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language