Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The unnamed day on which an operation or offensive is to be launched.
- noun The day on which the Allied forces invaded France during World War II (June 6, 1944).
from the GNU version of the Collaborative International Dictionary of English.
- noun (Mil.) the day designated for the beginning of a planned attack by a military force; in communications the day is often otherwise unspecified for security reasons.
- noun 6 June 1944, the day of the landing in France, by troops allied against the Germans in World War II.
- noun informal the day for commencement or execution of any elaborate planned activity; -- often used jocosely.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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In Washington, the countdown continues to what Americans are calling D-day, 2 August, when the US government says it would no longer be able to pay its bills within the existing debt ceiling of $14.3 trillion.
The Guardian World News Timothy Garton Ash 2011
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But Barclays Capital doesn't believe Aug. 2 really is D-day.
Overheard 2011
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Including Soviet forces in the invasion of Japan following their declaration of war on August 8, with D-day less than three months off, would have required rewriting the OPLAN.
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Now forgive me if I am wrong but have we not just commemorated D-day and the brave men who laid down their lives to fight against the tyranny of fascism and wipe it from the face of Europe? only to send two fascists a few days later to Europe to represent us.
Labour Suffers Historic Election Loss Dungeekin 2009
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We had the chance to talk to one man who served in that war and World War Two, where he was almost killed on D-day.
Heroes or Villains? 2010
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This is all pre D-day, although the build up was taking place.
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The NL however is anything but, and tomorrow brings a D-day for the Cardinals, Phillies, Brewers and D'Backs.
Detroit Tigers v New York Yankees - live! | David Lengel 2011
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He also writes about visiting the Hiroshima memorial in Japan in the final essay, which provided a strange juxtaposition to the D-day memorial here.
Pictures of Paris darkerblogistan 2009
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When D-day rolled around, Sigmon felt fantastic, and the practice jump off a three-story parking garage was easy.
Cashathon: The Rise of Charity Races Anne Kadet 2011
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A bomb was dropped on us but it just missed on D-day.
Heroes or Villains? 2010
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