incursion

noun

in·​cur·​sion in-ˈkər-zhən How to pronounce incursion (audio)
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 sightings have prompted new talks among European defense officials on how to strengthen air defenses and guard against future drone incursions. Rebecca Rosman, NPR, 28 Sep. 2025 Denmark, too, is reportedly considering Article 4 action following the recent incursions that twice caused the nation to suspend operations at its largest airport, though the origin of the systems involved remains unknown. Tom O'Connor, MSNBC Newsweek, 28 Sep. 2025 Eastern members of the alliance, including Estonia, Poland, and Romania, recently reported incursions into their airspace, while drones that disrupted Danish airports are suspected of being linked to Russia. Claire Cameron, semafor.com, 28 Sep. 2025 Ukraine is also negotiating to sell its drone technology to the US and has offered other European countries assistance in dealing with incursions by drones. Victoria Butenko, CNN Money, 28 Sep. 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 2 Oct. 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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