Definition of World War II noun from the Oxford Advanced American Dictionary

 

World War II

 noun
noun
NAmE//ˌwərld wɔr ˈtu//
 
(also the Second World War)
 
jump to other results
a war that was fought from 1939 to 1945, mainly between the U.S., the U.K., and the Soviet Union on one side, and Germany, Japan, and Italy on the other side