in·​cur·​sion | \ in-ˈkər-zhən How to pronounce incursion (audio) \

Definition of incursion

1 : a hostile entrance into a territory : raid
2 : an entering in or into (something, such as an activity or undertaking) his only incursion into the arts

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Examples of incursion in a Sentence

an incursion into enemy airspace there were incursions from the border every summer

Recent Examples on the Web

Given the potential for further incursions into the election system, the move by the intelligence agencies to redact large portions of the public version of the report touched off behind-the-scenes battles with members of the committee. David E. Sanger, New York Times, "Russia Targeted Election Systems in All 50 States, Report Finds," 25 July 2019 Barker scouts for incursions by U.S. hunters and gathers information on trails, cabins, and mining camps. National Geographic, "In the Alaska-Yukon wilderness, wildlife crime fighters face a daunting task," 25 June 2019 Franco, an outspoken defender of human rights since a stray bullet killed a friend during a shootout between police and drug traffickers in 2005, grew up in the Mare complex of favelas, or slums, where violence and police incursions are frequent. Jill Langlois,, "Outspoken Rio councilwoman who fought for the marginalized is shot to death; thousands mourn," 15 Mar. 2018 In the 12 months that ended this March Japan scrambled its jets 999 times in response to aerial incursions—two-thirds of them by China over the Senkakus, the rest by Russia over yet more disputed islands to the north of Japan. The Economist, "South Korea and Russia face off in the skies," 25 July 2019 Poland would likely be a major avenue for any Russian incursion into Europe. Declan Leary, National Review, "Trump’s Polish Defense Deal," 18 June 2019 Both Nakasone and Bolton, through spokesmen, declined to answer questions about the incursions into Russia’s grid. Nicole Perlroth,, "US buries digital land mines to menace Russia’s power grid," 15 June 2019 Most often, Kárpátia’s songs are about resisting—or lamenting—some foreign incursion. Jacob Mikanowski, Harper's magazine, "The Call of the Drums," 21 July 2019 Losharik has played a role in Russia's efforts to counter US submarines' covert incursions into their northern back yards. Sean Gallagher, Ars Technica, "Russian spy sub crew prevented nuclear accident at cost of their lives," 8 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'incursion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of incursion

15th century, in the meaning defined at sense 1

History and Etymology for incursion

Middle English, from Middle French or Latin; Middle French, from Latin incursion-, incursio, from incurrere

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Statistics for incursion

Last Updated

14 Sep 2019

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Time Traveler for incursion

The first known use of incursion was in the 15th century

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English Language Learners Definition of incursion

formal : a sudden invasion or attack : an act of entering a place or area that is controlled by an enemy

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Comments on incursion

What made you want to look up incursion? Please tell us where you read or heard it (including the quote, if possible).


to make a temporary encampment

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