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First World War

American  

noun

  1. World War I.


First World War British  

noun

  1. another name for World War I

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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A French machine-gun officer in the trenches during the First World War.

From Los Angeles Times Jun. 22, 2026

But the pandemic of Spanish flu after the First World War killed around 50 million people worldwide.

From BBC Apr. 21, 2026

The region once belonged to the Austro-Hungarian Empire but was ceded to Italy as part of a First World War settlement.

From Barron's Feb. 2, 2026

As the poet William Butler Yeats observed after the end of the First World War, the center is not holding, while the best lack all conviction.

From Salon Nov. 10, 2025

He remained the rabbi of his community throughout the years of Russia’s participation in the First World War.

From "The Chosen" by Chaim Potok

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