Synonyms for d day

Grammar : Noun

Spell : dee-dey

Phonetic Transcription : ˈdiˌdeɪ

Top 10 synonyms for d day Other synonyms for the word d day

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Définition of d day

Origin :

• 1918, "date set for the beginning of a military operation," with D as an abbreviation of day, cf. H-hour, also from the same military order of Sept. 7, 1918:
• The First Army will attack at H-Hour on D-Day with the object of forcing the evacuation of the St. Mihiel salient. [Field Order No. 8, First Army, A.E.F.]
• "They designate the day and hour of the operation when the day and hour have not yet been determined, or where secrecy is essential" [U.S. Army Center of Military History Web site]. Now almost exclusively of June 6, 1944.