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.
The Associated Press reported that Algerian authorities rejected a Vatican request for Leo to visit Médéa to pray at the Tibhirine monastery, the place where seven French Trappist monks were kidnapped and killed May 21, 1996, by Islamic extremists during the country’s civil war. Paul Tilsley, FOXNews.com, 12 Apr. 2026 Taiwan has been governed separately from China since 1949, when a civil war brought the Communist Party to power in Beijing. Huizhong Wu, Los Angeles Times, 12 Apr. 2026 The rickshaws have become increasingly popular in Sierra Leone, filling the gaps in a strained public transport system as the West African country struggles to recover from its 1991-2002 civil war. ABC News, 11 Apr. 2026 Taiwan has been governed separately from China since 1949, when a civil war brought the Communist Party to power in Beijing. Huizhong Wu, Arkansas Online, 11 Apr. 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 15 Apr. 2026.

Kids Definition

civil war

noun
: a war between opposing groups of citizens of the same country or nation
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