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[bluhn-der] /ˈblʌn dər/
a gross, stupid, or careless mistake:
That's your second blunder this morning.
verb (used without object)
to move or act blindly, stupidly, or without direction or steady guidance:
Without my glasses I blundered into the wrong room.
to make a gross or stupid mistake, especially through carelessness or mental confusion:
Just pray that he doesn't blunder again and get the names wrong.
verb (used with object)
to bungle; botch:
Several of the accounts were blundered by that new assistant.
to utter thoughtlessly; blurt out:
He blundered his surprise at their winning the award.
Origin of blunder
Norwegian dialect
1350-1400; Middle English blunderen, blondren, (v.) < Old Norse blunda shut one's eyes, nap; compare Norwegian dialect blundra
Related forms
blunderer, noun
blunderingly, adverb
nonblundering, adjective, noun
nonblunderingly, adverb
outblunder, verb (used with object)
superblunder, noun
unblundering, adjective
1. error. See mistake. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for blunderer
Historical Examples
  • Rodenard, the blunderer, had been at fault when he had said that Lesperon had expired.

    Bardelys the Magnificent Rafael Sabatini
  • "blunderer, on the contrary, it is too late," replied Montalais.

    Ten Years Later Alexandre Dumas, Pere
  • Everybody laughed at the blunderer, the joker jeering audibly.

    The Octopus Frank Norris
  • Jeffreys was still a blunderer, or else his conscience was unusually sensitive.

    A Dog with a Bad Name Talbot Baines Reed
  • The flush, so vivid, that stayed made him feel himself a blunderer.

    The Shadow of Life Anne Douglas Sedgwick
  • And this time the author cannot be accused of partisanship by any blunderer.

    Smoke Turgenev Ivan Sergeevich
  • "You were by your halidom, your Majesty," suggested the blunderer.

  • Vaudreuil is a blunderer and a fool; he has sold the country.

  • “Not thus, blunderer; not thus,” said Shiminya, arresting his arm.

  • Sometimes he admonished some laggard or blunderer, "Hurry, thah, Sammy!"

    Crestlands Mary Addams Bayne
British Dictionary definitions for blunderer


a stupid or clumsy mistake
a foolish tactless remark
verb (mainly intransitive)
to make stupid or clumsy mistakes
to make foolish tactless remarks
often foll by about, into, etc. to act clumsily; stumble: he blundered into a situation he knew nothing about
(transitive) to mismanage; botch
Derived Forms
blunderer, noun
blundering, noun, adjective
blunderingly, adverb
Word Origin
C14: of Scandinavian origin; compare Old Norse blunda to close one's eyes, Norwegian dialect blundra; see blind
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for blunderer



mid-14c., "to stumble about blindly," from a Scandinavian source akin to Old Norse blundra "shut one's eyes," from PIE root *bhlendh- (see blind). Meaning "make a stupid mistake" is first recorded 1711. Related: Blundered; blundering.



mid-14c., apparently from blunder (v.), though of about the same age.

Online Etymology Dictionary, © 2010 Douglas Harper
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