civil war

noun

plural civil wars
Synonyms of civil warnext
: a war between opposing groups of citizens of the same country
a country on the brink of (a) civil war
often used in the capitalized names of specific wars
the Spanish Civil War
(American/U.S.) Civil War monuments

Note: The American Civil War, fought 1861–1865 between the United States and 11 southern states that had seceded from it, is also commonly known as the U.S. Civil War, or especially in the U.S. as the War Between the States or simply the Civil War.

Examples of civil war in a Sentence

a region that has had many civil wars The country is on the brink of civil 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.
To the stories and history of his grandparents in the El Salvador of the 1980s when a horrific civil war raged. Sara Sidner, CNN Money, 21 Mar. 2026 Images of marchers protesting the Nigerian civil war and of leaders of anti-colonial struggles blend with early documentation of European women’s-liberation movements. Hilton Als, New Yorker, 20 Mar. 2026 Dem civil war rages as 'Squad' progressives dealt major blow in deep blue primary. FOXNews.com, 20 Mar. 2026 Israel has rebuffed an offer of direct talks from Beirut as too little, too late by a ​government that shares its goal of wanting Hezbollah disarmed but fears that acting against it could risk civil war, sources familiar ​with the situation said. Yarden Segev, NBC news, 18 Mar. 2026 See All Example Sentences for civil war

Word History

First Known Use

circa 1533, in the meaning defined above

Time Traveler
The first known use of civil war was circa 1533

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Cite this Entry

“Civil war.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/civil%20war. Accessed 23 Mar. 2026.

Kids Definition

civil war

noun
: a war between opposing groups of citizens of the same country or nation
Last Updated: - Updated example sentences
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