world war

noun

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

  1. He fought in both World Wars.

  2. The nations were prepared for world war.

Recent Examples of world war from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'world war.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of world war

1848

in the meaning defined above

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WORLD WAR Defined for English Language Learners

world war

Definition of world war for English Language Learners

  • : a war involving many nations of the world


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