Berserk Definition

bər-sûrk, -zûrk, bə-
adjective
Destructively or frenetically violent.
A berserk worker who started smashing all the windows.
American Heritage
In or into a state of violent or destructive rage or frenzy.
Webster's New World
Mentally or emotionally upset; deranged.
Berserk with grief.
American Heritage
Unrestrained, as with enthusiasm or appetite; wild.
Berserk over chocolates.
American Heritage
The definition of berserk is someone or something that has lost control or is acting in a destructive way.
An example of berserk is a puppy running around and chewing on everything for no apparent reason.
YourDictionary
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noun
One that is violent, upset, or unrestrained.
American Heritage
A berserker.
Webster's New World

A crazed Norse warrior who fought in a frenzy.

Wiktionary
Synonyms:

Other Word Forms of Berserk

Noun

Singular:
berserk
Plural:
berserks

Origin of Berserk

  • Old Norse berserkr (Icelandic berserkur), probably from bjǫrn (“bear”) + serkr (“coat”). Compare sark.

    From Wiktionary

  • Back-formation from berserker

    From American Heritage Dictionary of the English Language, 5th Edition

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