incursion
noun
in·cur·sion
in-ˈkər-zhən 
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
Syrian officials have condemned the Israeli incursions as a violation of Syria's sovereignty.
—
NPR, 28 Nov. 2025
The incursions have not, so far, been treated as deliberate attacks on the alliance, which could trigger NATO's Article 5.
—Ellie Cook, MSNBC Newsweek, 27 Nov. 2025
Poland's accusation comes amid recent security incidents in Eastern Europe, following airspace incursions in September that saw Russian drones enter Poland and three MiG-31 fighter jets cross into Estonia before being intercepted by NATO aircraft.
—Ashley Carnahan, FOXNews.com, 18 Nov. 2025
After the Phrygians, it was occupied by early Christians during the Arab-Byzantine wars, again during the Mongolian incursions of the 14th century, and then again during the Ottoman Empire.
—Katie Kitamura, Travel + Leisure, 17 Nov. 2025
See All Example Sentences for incursion
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NPR, 28 Nov. 2025
The incursions have not, so far, been treated as deliberate attacks on the alliance, which could trigger NATO's Article 5.
—Ellie Cook, MSNBC Newsweek, 27 Nov. 2025
Poland's accusation comes amid recent security incidents in Eastern Europe, following airspace incursions in September that saw Russian drones enter Poland and three MiG-31 fighter jets cross into Estonia before being intercepted by NATO aircraft.
—Ashley Carnahan, FOXNews.com, 18 Nov. 2025
After the Phrygians, it was occupied by early Christians during the Arab-Byzantine wars, again during the Mongolian incursions of the 14th century, and then again during the Ottoman Empire.
—Katie Kitamura, Travel + Leisure, 17 Nov. 2025
See All Example Sentences for incursion
Cite this Entry
“Incursion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incursion. Accessed 7 Dec. 2025.
Copy CitationKids Definition
incursion
noun
in·cur·sion
in-ˈkər-zhən
: a sudden usually temporary invasion : raid
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