d-day

• Nom propre désignant la date du débarquement allié en Normandie pendant la Seconde Guerre mondiale, soit le 6 juin 1944, également utilisé de façon générique pour le jour du déclenchement d'une opération militaire.

A proper noun referring to the date of the Allied landing in France during World War II, specifically June 6, 1944.

indénombrable · nom propre

1. B2formal

   The date of the Allied invasion of Normandy, France, on June 6, 1944, during World War II.

   Jour J (débarquement de Normandie)

   • D-Day marked a turning point in World War II.
   • Thousands of soldiers landed on the beaches of Normandy on D-Day.
   • The planning for D-Day involved extensive military strategy.

2. Important planned dateB2informal

   A day on which an important operation or event is planned to begin.

   jour J

   • We set D-Day for the product launch as next Monday.
   • The team is preparing for D-Day of the new software release.
   • D-Day for the merger is scheduled for the end of the month.

   Synonymeskickoffzero hour