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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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It revealed "monuments ranging from prehistoric long barrows and forts to Roman buildings and even First World War practice trenches," they said.

From BBC Jul. 24, 2026

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

From Los Angeles Times Jun. 22, 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

Socialist leader Eugene V. Debs was sentenced to jail in 1918 for speaking out against the First World War.

From Salon Oct. 14, 2025

The Russian Revolution, the rise of Hitler, America’s emergence as a world power, the Second World War, and continuing turmoil in the Middle East all have their roots in the First World War.

From "The War to End All Wars: World War I" by Russell Freedman

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