Adjective berserk has 1 sense
- amuck, amok, berserk, demoniac, demoniacal, possessed - in a murderous frenzy as if possessed by a demon; "the soldier was completely amuck"; "berserk with grief"; "a berserk worker smashing windows"
Antonym: sane (indirect, via insane)
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Noun berserk has 1 sense
- berserker, berserk - one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury
--1 is a kind of Scandinavian, Norse, Northman
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