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[duh-noh] /dəˈnoʊ/
Pronunciation Spelling.
don't know:
Who did it? I dunno!
Origin of dunno
1835-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for dunno
Contemporary Examples
Historical Examples
  • I dunno, Mars'r; how kin I go down de riber when I done lose my boat?

  • I dunno as wimmin horse doctors is very common, but I dunno why not.

    Chip, of the Flying U B. M. Bower
  • He saw the visions of two weeks burst like bubbles, and he whimpered: "I dunno."

    The Court of Boyville William Allen White
  • I get a horse with somethin' the matter of his foot, and I dunno what.

    Chip, of the Flying U B. M. Bower
  • I dunno yet, but I'll be a bed all right, an' I'll have Deacon with me.

    The Secret of the Storm Country Grace Miller White
  • I dunno, but he handed Lew a five-dollar bill to pay for the message.

    The Fortune Hunter Louis Joseph Vance
  • dunno, that theah's sure hard-scrabble ground; we never did make us a good crop on it.

    Ride Proud, Rebel! Andre Alice Norton
  • If you stop her off there, I dunno but she'd jine a circus or take to drink!

    Tiverton Tales Alice Brown
British Dictionary definitions for dunno


/dʌˈnəʊ; dʊ-; də-/
(I) do not know
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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Contemporary definitions for dunno

don't know

Word Origin


Usage Note

casual pronunciation's 21st Century Lexicon
Copyright © 2003-2014, LLC
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Word Origin and History for dunno

colloquial for "(I) don't know," first attested 1842 in American English.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for dunno



Don't know •Casual pronunciation of don't know: dunno where he is (1840s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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