duh

American

[duh, d] / dʌ, d /

interjection

(used to express annoyance at banality, obviousness, or stupidity.)

duh British

/ dɜː /

interjection

slang an ironic response to a question or statement, implying that the speaker is stupid or that the reply is obvious

how did you get in here? – through the door, duh

"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 duh

An Americanism dating back to 1960–65

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.

She looked at me like duh of course I do.

From The Wall Street Journal • Aug. 21, 2025

Whether it’s a true threat that could be prosecuted on its own, that’s a different question, but whether it’s quite obviously designed to intimidate Jack Smith, yeah, duh.

From Slate • Aug. 9, 2023

“I was like, ‘And then he stands up and we hear, duh duh duh duh ...

From Los Angeles Times • Jul. 6, 2023

“We didn’t think, duh, they are also going to serve the industry,” he said.

From New York Times • Sep. 29, 2022

“I wasn’t thinking about it like that,” I admit, and she nods like, duh.

From "Keeping Pace" by Laurie Morrison

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023