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.

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

From The Wall Street Journal • Mar. 9, 2026

Notre-Dame du Haut is a religious structure: Built in honor of the Virgin Mary, it still attracts Catholic pilgrims.

From The Wall Street Journal • Mar. 6, 2026

This time he is the tournament's third-highest run-scorer with 263 runs at a strike-rate of 175.16, something Markram's former captain Faf du Plessis puts down to his development in the Indian Premier League.

From BBC • Mar. 3, 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

Werfel said, “Sir du Burgh is a soldier, not a diplomat. You must excuse him.”

From "The Assassination of Brangwain Spurge" by M.T. Anderson and Eugene Yelchin

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