du

¹ American

[doo, dyoo, dy] / du, dyu, dü /

(in names of French derivation) a contraction of de and the article le:

Joachim du Bellay.

Du. ² American

abbreviation

Duke.
Dutch.

Du. ¹ British

abbreviation

Duke
Dutch

"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

DU ² British

abbreviation

depleted uranium

"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

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.

Others including Skrillex, Odesza, Rüfüs du Sol and Billie Eilish are among the superstars who have popped in for surprise sets, cementing the stage’s legacy within Coachella’s lore.

From Los Angeles Times • Apr. 10, 2026

Foreign markets are also less reliant on the investing theme du jour, AI.

From The Wall Street Journal • Mar. 9, 2026

Times of froth tend to see companies linked to the theme du jour—internet, 3-D printing, electric vehicles, crypto, AI, etc.—lead the charts.

From The Wall Street Journal • Feb. 19, 2026

Daphne du Maurier described seeing the old boatyard at Bodinnick, near Fowey, for the first time at the age of 19 as: "Here was the freedom I desired, long sought for, not yet known."

From BBC • Feb. 14, 2026

You’se du most gentlemanfied man Ah ever did see.

From "Their Eyes Were Watching God" by Zora Neale Hurston

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