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 influx of weapons were then used by Somalis in the civil war against each other. Immigration Lawyer, MSNBC Newsweek, 11 Dec. 2025 Only a handful remain in the country today, and most synagogues have since been destroyed after 14 years of civil war. Ashley Carnahan, FOXNews.com, 11 Dec. 2025 The film relies on generations of historians and historical research to reframe the founding story as a global conflict and a civil war. Time, 10 Dec. 2025 As Sudanese people grapple with the fallout of the ongoing civil war, the exhibition’s curator noted that art has stood at the forefront of the resistance. Preeti Jha, semafor.com, 8 Dec. 2025 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 Dec. 2025.

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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