noun
- August 15, 1945, the day Japan accepted the Allied surrender terms in World War II.
noun
- the day marking the Allied victory over Japan in World War II (Aug 15, 1945)
also V-J Day, “Victory in Japan Day,” 1944; it shares an origin with VE Day.
The day of victory over Japan for the Allies in World War II; September 2, 1945, the day of Japan’s formal surrender. (Compare V-E Day.)