Synonyms for berserk

Noun

1. berserker, berserk, Scandinavian, Norse, Northman

usage: one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury

Adjective

1. amuck, amok, berserk, demoniac, demoniacal, possessed(predicate), insane (vs. sane)

usage: in a murderous frenzy as if possessed by a demon; "the soldier was completely amuck"; "berserk with grief"; "a berserk worker smashing windows"