WordWeb Online

1. Wildly frenzied and out of control
   "berserk with grief"; "a berserk worker smashing windows";
   - amuck, amok

1. One of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury
   - berserker

Derived forms: berserks

See also: agitated

Type of: Norse, Northman, Scandinavian

Encyclopedia: Berserk