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 say, ‘It’s the apple capital of the world, like, duh.’

From Seattle Times • Mar. 23, 2023

Or to literalize the notion that, duh, relationships can be scary?

From Los Angeles Times • Jan. 22, 2023

When Finn reminded him that, duh, of course the corn was alive, all plants were alive, Miguel replied that the corn sounded alive alive.

From "Bone Gap" by Laura Ruby

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