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
The marks, which are sandwiched between towers once used to scout for armies and to allow archers and other artillery-throwers to fend off enemy incursions, are arrayed in a way that suggests they may have been left by a repeating dart-thrower called a polybolos.
—
Taylor Mitchell Brown, Scientific American, 20 Apr. 2026
Although airborne incursions have receded since 2022, the Ministry of Defence has recorded a 30% increase in Russian submarines entering UK waters in the past two years.
—Alan Crawford, Bloomberg, 20 Apr. 2026
Our Venezuela incursion accessed a whopping 300-billion-barrel reserve.
—Dave Trecker, The Orlando Sentinel, 19 Apr. 2026
The staggering human toll in Gaza, ongoing West Bank settlement expansion, another incursion into Lebanon, and a darkening war with Iran eroded support among younger Americans—even as Washington remains Israel’s indispensable security partner.
—Ian Bremmer, Time, 15 Apr. 2026
See All Example Sentences for incursion
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Taylor Mitchell Brown, Scientific American, 20 Apr. 2026
Although airborne incursions have receded since 2022, the Ministry of Defence has recorded a 30% increase in Russian submarines entering UK waters in the past two years.
—Alan Crawford, Bloomberg, 20 Apr. 2026
Our Venezuela incursion accessed a whopping 300-billion-barrel reserve.
—Dave Trecker, The Orlando Sentinel, 19 Apr. 2026
The staggering human toll in Gaza, ongoing West Bank settlement expansion, another incursion into Lebanon, and a darkening war with Iran eroded support among younger Americans—even as Washington remains Israel’s indispensable security partner.
—Ian Bremmer, Time, 15 Apr. 2026
See All Example Sentences for incursion
Cite this Entry
“Incursion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incursion. Accessed 28 Apr. 2026.
Copy CitationKids Definition
incursion
noun
in·cur·sion
in-ˈkər-zhən
: a sudden usually temporary invasion : raid
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