world war

(redirected from World War 4)
Also found in: Thesaurus, Acronyms.

world′ war′

a war that involves most of the principal nations of the world.
ThesaurusAntonymsRelated WordsSynonymsLegend: war - a war in which the major nations of the world are involved
war, warfare - the waging of armed conflict against an enemy; "thousands of people were killed in the war"