Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Destructively or frenetically violent: a berserk worker who started smashing all the windows.
- adj. Mentally or emotionally upset; deranged: berserk with grief.
- adj. Informal Unrestrained, as with enthusiasm or appetite; wild: berserk over chocolates.
- n. One that is violent, upset, or unrestrained.
- n. A berserker.
Century Dictionary and Cyclopedia
- n. Same as berserker.
Wiktionary
- n. A crazed Norse warrior who fought in a frenzy.
- adj. Injuriously, maniacally, or furiously violent or out of control.
GNU Webster's 1913
- n. (Scand. Myth.) One of a class of legendary heroes, who fought frenzied by intoxicating liquors, and naked, regardless of wounds.
- n. One who fights as if frenzied, like a Berserker.
- adj. frenzied; crazed; usually in predicate position.
WordNet 3.0
- n. one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury
- adj. frenzied as if possessed by a demon
Etymologies
- Old Norse berserkr (Icelandic berserkur), probably from bjǫrn ("bear") + serkr ("coat"), compare sark. (Wiktionary)
- Back-formation from berserker. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“You know he's a Scot; men of that country are" - I tried to think of a good synonym for "berserk" - "most fierce where questions of their honor are concerned.”
Dragonfly in Amber
“Our expression going berserk pays homage to these warriors who, according to Fabing, ingested a psychoactive substance that put them into a state of frenzied rage, reckless courage, and enhanced physical strength.”
“When one understands and fully appreciates this inner world of the post traumatic stress victim, it is easier to understand why a veteran can go "berserk" killing his family and then taking his own life.”
“Britney Spears, apparently, as well, one of the big magazines saying that she went "berserk" at a photo shoot.”
“Bridezillas," by the way, is a WE (ph) TV show all about brides that go kind of berserk while planning their weddings.”
“And what about your "berserk" episode on Bournemouth Station?”
Disordered Minds
“Her arms came around him and he lifted her up, jammed her back against the bulkhead and, putting his mouth against the side of her neck, rammed into her with a kind of berserk fury.”
Black Blade
“A US flight attendant who went "berserk" on a passenger and bailed out of his plane has quickly turned into something of a folk hero in the United States and around the world.”
“Animals are going "berserk" as more and more of their land is taken over by humans and cattle eat their food.”
Yahoo! News: Latest news headlines News Headlines | Top Stories
“In June 2008 she was ordered to carry out 200 hours of community service for kicking and spitting at police officers after going "berserk" on an aircraft.”
Lists
These user-created lists contain the word ‘berserk’.
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GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4087 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11250 more...
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Bonkers
List for old and new terms and phrases meaning crazy, nuts, batty, prone to extreme nervousness, etc.
bonkers, crazy, nuts, batty, batchy, bats in the belfry, scatty, crackers, windy, gone crackers, cracked, dingo and 92 more...
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Words For Novel (Part 2)
fable, sprite, syphilitic, anvil, wonderstruck, vertigo, bridled, tufted, fettered, savvy, tweed fedora, tryst and 255 more...
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Words sung by: Belle and Sebastian
beguiling, herbaceous, peninsula, suffragette, damascan, hastening, berserk, overtime, leccy, bestow, swathe, arab strap and 193 more...
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Mentally irregular
Words for the mentally irregular
bonkers, unhinged, batshit crazy, cognitive dissonance, apophenia, undone, loony, unsound, deranged, a bit off the beam, daft, stark ravin' mad and 65 more...
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Do More Than Hate
A list of words for describing dislike, reproval or criticism.
belabor, malevolent, reprobate, ire, anger, rage, fury, choler, indignance, grame, scorn, geck and 23 more...
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Bonkers
crackers, barmy, half-baked, mental, unhinged, barking, cuckoo, cracked, nuts, mad, insane, touched and 24 more...
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Favorites
disparage, partisan, cupidity, hokum, tussle, odious, dastardly, overture, plane, chronic, peering, peer and 328 more...
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Baby Got Back-Formations
"A new word created by removing an affix from an already existing word, as vacuum clean from vacuum cleaner, or by removing what is mistakenly thought to be an affix, as pea from the earlier Englis...
resurrect, enthuse, couth, donate, emote, greed, isolate, manipulate, orate, prequel, spectate, upholster and 94 more...
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generationnext's Words
petulant, vehement, pensive, lascivious, vacillate, histrionic, satiated, svelte, lithe, zeitgeist, viscous, sommelier and 526 more...
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The Sog Collection
My big word list.
chaos, flaccid, empirical, flotsam, cacophony, grumble, assuage, awe, romance, mortality, coalesce, fortuitous and 3282 more...
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Words I'd Like to Use Someday
thundersnow, phantasmagoria, mercurial, chimerical, taciturn, paraclete, lapis lazuli, flay, guttersnipe, wonky, misanthrope, kestrel and 583 more...
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Vocab++
Words as I learn them.
fetid, mezzanine, hiatus, austerity, subliminal, resplendent, implacable, impugn, debase, exiguous, cirque, holster and 2538 more...
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Words. Just words.
Our chief weapons are words, that's all. Just words. Only words, not justly words, that is.
That is to say that there are only words in this list, not words that are just, although s...profligacy, monty, the arc of history, luddite, peremptory, brusque, languid, callipygian, perniciously, insidiousness, camelot, perforce and 189 more...
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words I love
uncouth, milquetoast, clusterfuck, salacious, usurp, harpoon, unsavoury, bulwark, legerdemain, qualm, quagmire, trumps and 209 more...
Tweets
Looking for tweets for berserk.

bilby Backformation. Feb 18, 2010
qroqqa He neither knows himself nor his outriders, he berserks a fearful dimension and dismounts, miraculously, in bed!
—Djuna Barnes, Nightwood
A highly unusual use of 'berserk' as a verb. Note also the (to me somewhat strange) unbalanced placement of 'neither . . . nor'.
Nov 21, 2008
Prolagus In the queue for lunch they take the piss, you've got no appetite
And the rumour is you never go with boys and you are tight
So they jab you with a fork, you drop the tray and go berserk
While you're cleaning up the mess the teacher's looking up your skirt.
(Expectations, by Belle and Sebastian) Jun 14, 2008