name, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Synonym of D-Day (“the date of any major event planned for the future”).

Proper Noun

1. 1
   1 November 1945, the planned date for the Allied invasion of Kyushu in southwestern Japan in World War II (cancelled following Japan's unconditional surrender in September 1945). historical
2. 2
   An annual celebration in the Church of the SubGenius parody religion, falling on July 5 and commemorating the prophesied end of the world on that date in 1998, when alien beings from "Planet X" were to have invaded.

Synonyms

All synonyms

d-day

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.