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incursion

noun

in·​cur·​sion in-ˈkər-zhən How to pronounce incursion (audio)
Synonyms of incursionnext
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

Examples of incursion in a Sentence

an incursion into enemy airspace there were incursions from the border every summer
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 motive behind the incursion is also not yet known. Christopher McFadden, Interesting Engineering, 6 Dec. 2025 Some of the United States' European NATO allies have alleged these airspace incursions are part of a campaign of escalating hybrid warfare tactics by Russia. Emmet Lyons, CBS News, 5 Dec. 2025 The most recent serious clashes occurred on Friday, when an Israeli incursion into Syrian territory resulted in an exchange of fire, followed by Israeli airstrikes, which killed five Syrians. Brady Knox, The Washington Examiner, 1 Dec. 2025 So, while taking swipes at Trump and encouraging more Dems to do so, plus making incursions into red states like Texas and encouraging other blue states to put their own redistricting plans out there like CA’s Prop 50, Newsom does face challenges and potential challengers for a White House bid. Dominic Patten, Deadline, 1 Dec. 2025 See All Example Sentences for incursion

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

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

Browse Nearby Words

Cite this Entry

“Incursion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incursion. Accessed 8 Dec. 2025.

Kids Definition

incursion

noun
in·​cur·​sion in-ˈkər-zhən How to pronounce incursion (audio)
: a sudden usually temporary invasion : raid

More from Merriam-Webster on incursion

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