world war

noun

: a war engaged in by all or most of the principal nations of the world
especially, World War : 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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That term was popularized between the two world wars and served as the name of the powerful populist movement to preserve U.S. isolationism and promote our diplomatic distance from the rest of the world. Arthur I. Cyr, Chicago Tribune, 20 May 2025 This principle has remained intact through two world wars, civil rights struggles, and modern immigration waves. Andy J. Semotiuk, Forbes.com, 16 May 2025 In retrospect, this may be one of the most significant insights of his pontificate—the frank recognition that the number and gravity of violent conflicts constitute a world war that has largely gone unrecognized. Paul Elie, New Yorker, 9 May 2025 The vast majority of respondents, 71%, also said that nuclear weapons would likely be used in another world war, while just 17% said this would be unlikely. Brendan Rascius, Miami Herald, 7 May 2025 See All Example Sentences for world war

Word History

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of world war was in 1848

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Cite this Entry

“World war.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/world%20war. Accessed 27 May. 2025.

Kids Definition

world war

noun
: a war involving all or most of the chief nations of the world
especially, capitalized both Ws : either of two such wars of the 20th century

More from Merriam-Webster on world war

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