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.
For those who pause to think about the occasion’s meaning, Memorial Day typically evokes images like the planting of the American flag on Iwo Jima in World War II or the heroism of D-Day. The Editorial Board, Chicago Tribune, 26 May 2025 But that was fine, because La Harve is next to Normandy’s D-Day beaches, and that was No. 1 on my bucket list. Nick Canepa, San Diego Union-Tribune, 24 May 2025 Our two nations enjoy the world’s longest undefended border, largest trading partnership, and nearly a century of military cooperation, from the beaches of D-Day to the fight against al-Qaeda in Afghanistan. Ian Cooper, Sun Sentinel, 5 May 2025 The deportation trains continued for two months after D-Day. Sarah Federman, The Conversation, 16 Apr. 2025 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

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Cite this Entry

“D-Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/D-Day. Accessed 4 Jun. 2025.

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