in·​cur·​sion in-ˈkər-zhən How to pronounce incursion (audio)
: a hostile entrance into a territory : raid
: 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 The debate over the future of the Israeli operation in Gaza comes as aid agencies report a worsening humanitarian situation after the IDF’s incursion into the southern city of Rafah that started in May and severely disrupted humanitarian activities. Adela Suliman, Washington Post, 20 June 2024 Several reports indicate frequent drone incursions over DOE nuclear facilities, including an incident on April 1, 2021, at Lawrence Livermore National Laboratory (LLNL). Chris Eberhart, Fox News, 13 June 2024 Last week, the Biden administration said Israel’s deadly operation that killed at least 45 people in the Gaza strip didn’t constitute a major ground incursion that crosses U.S. red lines. Sudiksha Kochi, USA TODAY, 5 June 2024 The rate of serious runway incursions in the first quarter decreased by 59% from the same period in 2023, a historically high year for such events. Jinshan Hong, TIME, 24 May 2024 See all Example Sentences for incursion 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'incursion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near incursion

Cite this Entry

“Incursion.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2024.

Kids Definition


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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