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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Los Angeles Times • Jun. 22, 2026

Historians widely interpret such violence as a counterrevolutionary response to the strength of socialist and labor movements after the First World War.

From Salon • Mar. 28, 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

More recently members were simply removed, such as the leaders of Britain's opponents in the First World War, Wilhelm II of Germany and Franz Joseph of Austria-Hungary.

From BBC • Oct. 11, 2025

His beloved first wife died early, in 1909, and the younger of his two sons was killed in the First World War.

From "A Short History of Nearly Everything" by Bill Bryson

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