Definition of world war
: a war engaged in by all or most of the principal nations of the world; especially capitalized both Ws : either of two such wars of the first half of the 20th century
Examples of world war in a sentence
He fought in both World Wars.
The nations were prepared for world war.
First Known Use of world war
WORLD WAR Defined for English Language Learners
Definition of world war for English Language Learners
: a war involving many nations of the world
Learn More about world war
Britannica English: Translation of world war for Arabic speakers
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