guerrilla

noun

guer·​ril·​la gə-ˈri-lə How to pronounce guerrilla (audio)
ge-
g(y)i-
variants or guerilla
Synonyms of guerrillanext
: 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.

Examples of guerrilla in a Sentence

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.
Sunday’s vote, seen as a referendum on Petro’s policies, comes 10 years after Colombia signed a historic peace pact with guerrillas of the Revolutionary Armed Forces of Colombia, or FARC. Raquel Coronell Uribe, NBC news, 1 June 2026 Although the country saw a break in violence between rebel groups and the government in the 10 years since the historic agreement between guerrillas of the Revolutionary Armed Forces of Colombia (Farc) and the government, criminal gang activity is rising. Sebastian Jimenez, CNN Money, 31 May 2026 The vote, seen as a referendum on outgoing President Gustavo Petro’s policies, comes 10 years after Colombia signed an historic peace pact with guerrillas of the Revolutionary Armed Forces of Colombia, or FARC. ABC News, 31 May 2026 For decades, however, foreign tourists stayed away while Colombians stayed home because the country was mired in a guerrilla war and drug-cartel violence. John Otis, NPR, 30 May 2026 See All Example Sentences for guerrilla

Word History

Etymology

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

First Known Use

1809, 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 10 Jun. 2026.

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

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

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