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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.

“I dunno. People tell me stuff when I visit them.”

From Literature

“What if we asked the other residents about a time in their lives when they did something like that? Beat the odds. Accomplished something they didn’t think they could. When they”—and here, finally, he began to understand what this phrase meant—“rose to the occasion of their own lives. We could even call it something like, I dunno, Operation Rise. Unless you think that’s stupid.”

From Literature

“I dunno,” he said, even though he knew precisely.

From Literature

“I dunno. You seem pretty brave to me. Volunteering at Shady Glen even though you didn’t know anyone there. Speaking out at the meeting with Ginny’s and Dickie’s families. Getting all the residents to talk to you.”

From Literature

“I dunno. Seems like this year you’ve wanted space. You kind of put out the vibe that you were done with everyone here. Maybe ’cause you knew you were going to Arizona.”

From Literature