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.
In 2022, French forces departed Mali as insurgents made incursions into the capital, Bamako. Kaitlyn Rabe, The Conversation, 16 June 2026 Some Greenlandic politicians also saw the MAGA incursion as an opportunity for leverage. Ben Taub, New Yorker, 15 June 2026 Israel carried out an extensive bombing campaign that pounded parts of Beirut’s southern suburbs and followed with a ground incursion along the Lebanon-Israel border. Zac Anderson, USA Today, 14 June 2026 In late May, Israeli troops captured a nearby strategic mountain topped with the Crusader-era Beaufort Castle in the deepest incursion into the country since 2000. Bassem Mroue, Los Angeles Times, 13 June 2026 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 18 Jun. 2026.

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster