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dunno

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

    Who did it? I dunno!


dunno British  
/ də-, dʊ-, dʌˈnəʊ /

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:

“I used to fight with people. I’d ask someone the time and they’d go ‘I dunno.’

From Los Angeles Times Jan. 18, 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

She said she could go on for “I dunno, six months, a year maybe,” but “I know that as time passed, I would have less and less energy to give to the job.”

From Washington Post Feb. 15, 2023

“I dunno what they’re playing at, taking Stan seriously.”

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

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