View synonyms for

D-day

Or D-Day

[dee-dey]

Phonetic (Standard)IPA

noun

Military.��the day, usually unspecified, set for the beginning of a planned attack.
June 6, 1944, the day of the invasion of western Europe by Allied forces in World War II.
Informal.��any day of special significance, as one marking an important event or goal.

D-day

noun

the day, June 6, 1944, on which the Allied invasion of Europe began
the day on which any large-scale operation is planned to start

D-Day

The code name for the first day of a military attack, especially the American and British invasion of German-occupied France during World War II on June 6, 1944 (see invasion of Normandy). This marked the beginning of the victory of the Allies in Europe. Germany surrendered less than a year later.

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Word History and Origins

Origin of D-day¹

First recorded in 1918; D (for day ) + day; the same pattern as H-hour

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Word History and Origins

Origin of D-day¹

C20: from D ( ay ) -day; compare _H-hour

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Example Sentences

Examples have not been reviewed.

The naval island is where the Navy developed the Higgins boat — the pivotal landing craft that ferried troops to the beaches of Normandy during the D-day invasion.

From

First came France’s D-day beaches, then the heart of the once-divided German capital.

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The beginning of the end of World War II occurred 80 years ago Thursday, when roughly 160,000 Allied troops made landfall in Normandy on D-day.

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But it was a dark day for the families of 2,501 Americans who were killed and 5,000 wounded on D-day alone.

From

Alfie Booker still remembers the noises, smells and smoke from D-day.

From

dd DDD

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