variants or D-day
: a day set for launching an operation
specifically : June 6, 1944, on which Allied forces began the invasion of France in World War II

Examples of D-Day in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In this show, moon landings, D-Day and the Chicago World’s Fair have equal importance to the emergence and clarification of rights for Blacks, Latinos, women, union workers, LGBT folks and members of the press. Ray Mark Rinaldi, Denver Post, 16 Feb. 2026 My understanding is that these were given to troops prior to D-Day and to other major battles. Dana Taylor, USA Today, 13 Feb. 2026 Organizationally, a trip to London for Wimbledon can feel like arranging the D-Day landings. David Shaftel, Condé Nast Traveler, 10 Feb. 2026 When Rich was just 10 months old, Hy enlisted in the U.S. Army at the height of World War II, was deployed to Normandy, and landed on Omaha Beach four days after D-Day. Taryn White, Forbes.com, 22 Jan. 2026 See All Example Sentences for D-Day

Word History

Etymology

D, abbreviation for day

First Known Use

1918, in the meaning defined above

Time Traveler
The first known use of D-Day was in 1918

Browse Nearby Words

Cite this Entry

“D-Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/D-Day. Accessed 24 Feb. 2026.

Last Updated: - Updated example sentences
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