World War One

A form of World War I — The war from 1914 to 1918 between the Entente Powers of the British Empire, Russian Empire, France, Italy, the United States and other allied nations, against the Central Powers represented by the German Empire, Austria-Hungary, the Ottoman Empire, and Bulgaria.

Similar
First World WarWW1WWI
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Meanings

proper noun
  1. alternativeAlternative form of World War I.

    Synonyms: First World War, WW1, WWI

Synonyms & antonyms

Cite this entry
APA

World War One. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/World%20War%20One

MLA

“World War One.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/World%20War%20One. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “World War One,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/World%20War%20One.

Source: World War One on Wiktionary, CC BY-SA 4.0.