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[duh-noh] /dəˈnoʊ/
Pronunciation Spelling.
don't know:
Who did it? I dunno!
Origin of dunno
First recorded in 1835-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for dunno
Contemporary Examples
Historical Examples
  • I dunno as wimmin horse doctors is very common, but I dunno why not.

    Chip, of the Flying U B. M. Bower
  • 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 how you're goin' to git along with men-folks, if ye offer 'em the whip-hand.

    Tiverton Tales Alice Brown
  • "Why, I dunno's there's anything in the way of it," she said, soberly.

    Meadow Grass Alice Brown
  • I've studied a good deal over her, an' I dunno's I've quite got to the bottom of her yit.

    Meadow Grass Alice Brown
  • I went to the settin'-room door an' looked out, an'—I dunno how 'twas—it all come to me.

    Meadow Grass Alice Brown
  • I dunno, but he handed Lew a five-dollar bill to pay for the message.

    The Fortune Hunter Louis Joseph Vance
  • "I dunno's any such speech is called for here," said she, in a furious self-betrayal.

    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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