/ Dictionary / Index B berserk: Meaning and Definition of Find definitions for: ber•serk Pronunciation: (bur-sûrk', -zûrk'), [key] — adj. violently or destructively frenzied; wild; crazed; deranged: He suddenly went berserk. —n. (sometimes cap.)an ancient Norse warrior who fought with frenzied rage in battle, possibly induced by eating hallucinogenic mushrooms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: berserk (Thesaurus) berseem Bert Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language