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.

Belgian nationals Lornoy David and Seppe Lodewijckx, both 19, Vietnamese national Duh Hung Nguyen and Kenyan Dennis Ng'ang'a, were handed similar terms after the magistrate considered their mitigation arguments.

From BBC • May 7, 2025

At risk of sounding like a teenager: Duh, dude.

From New York Times • Apr. 7, 2023

Well, the easy answer is: Duh, of course.

From Washington Times • Nov. 30, 2022

When you present the realist position to nonphilosophers, they often react with some equivalent of: Duh, what idiot doubts that there is a real world out there and that science discovers it?

From Scientific American • Mar. 19, 2021

Duh, Jessie remembered—she'd moved in halfway through the school year.

From "The Lemonade War" by Jacqueline Davies

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