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guerrilla

1 of 2

noun

guer·​ril·​la gə-ˈri-lə How to pronounce guerrilla (audio)
ge-
g(y)i-
variants or guerilla
: a person who engages in irregular warfare especially as a member of an independent unit carrying out harassment and sabotage (see sabotage sense 2)
Guerrillas controlled half the country.

guerrilla

2 of 2

adjective

: of, relating to, or suggestive of guerrillas especially in being aggressive, radical, or unconventional
guerrilla warfare

Examples of guerrilla in a Sentence

Noun The guerrillas controlled half the country.
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.
Noun
He had been contacted with a $100,000 extortion threat, ostensibly by a now-defunct group of communist guerrilla fighters, to pay up or his family would be harmed, according to court records. Nate Gartrell, Mercury News, 26 Nov. 2025 The task of halting the slaughter was left largely to the Rwandan Patriotic Front, a Tutsi guerrilla army led by an enigmatic thirty-six-year-old named Paul Kagame. Jon Lee Anderson, New Yorker, 24 Nov. 2025
Adjective
She became known as a muse of desbunde, an anti-military but also anti-guerrilla nonconformist zeitgeist. Phil Davison, Washington Post, 11 Nov. 2022 The attacks have prompted Moscow to send anti-guerrilla units to Kherson, Mr. Saldo said. Yuras Karmanau and Hanna Arhirova, The Christian Science Monitor, 9 Aug. 2022 See All Example Sentences for guerrilla

Word History

Etymology

Noun and Adjective

Spanish guerrilla, from diminutive of guerra war, of Germanic origin; akin to Old High German werra strife — more at war

First Known Use

Noun

1809, in the meaning defined above

Adjective

1811, in the meaning defined above

Time Traveler
The first known use of guerrilla was in 1809

Browse Nearby Words

Cite this Entry

“Guerrilla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guerrilla. Accessed 1 Dec. 2025.

Kids Definition

guerrilla

noun
guer·​ril·​la
variants or guerilla
gə-ˈril-ə
: a member of a band of persons engaged in warfare not as part of a regular army but as an independent unit making surprise raids behind enemy lines
guerrilla adjective
Etymology

Noun

from Spanish guerrilla, literally, "small war," from guerra "war"

Last Updated: - Updated example sentences
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