What is the meaning of Berserk?

Synonym of berserker (a Norse warrior who fought in a frenzy)

Furiously, injuriously, or maniacally violent or out of control.

  1. Bizarre; weird.
  2. Wildly joyous; ecstatic.

    Bizarre; weird.

    Wildly joyous; ecstatic.

    To be or become berserk.

    To make berserk.

    berserk

    berserk, berserker (frenzied Norse warrior)

    berserker (Norse warrior who purportedly fought in a trance-like frenzy)

    Source: wiktionary.org