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dunno

American  
[duh-noh] / dəˈnoʊ /
Informal.
  1. don't know.

    Who did it? I dunno!


dunno British  
/ dʌˈnəʊ, də-, dʊ- /

contraction

  1. (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

Etymology

Origin of dunno

First recorded in 1835–45; a phonetic spelling representing the pronunciation of don't know in continuous rapid speech

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When you are really able to anchor yourself in a way that I feel sometimes now, I dunno, I feel like the world just kind of catches up with you when you least expect it.”

From Los Angeles Times Apr. 10, 2024

The rest of the world either didn’t participate or spent its social currency on Facebook or Instagram or, I dunno, kickball for grown-ups.

From Slate Oct. 30, 2023

“Ah dunno, ’cept yuh never mentioned it befo’, ” Georgia replies.

From New York Times Mar. 7, 2023

And in that purely profit-minded regard— and I'm pretty clear about this in the book—I dunno.

From Salon Oct. 10, 2021

Hagrid, who had been weeping silently into his large, spotted handkerchief throughout this conversation, now raised puffy red eyes and croaked, “I dunno, Professor...that’s fer the Heads of House an’ the headmistress ter decide...”

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling

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