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

Synonyms of incursion

• invasion
• raid

Examples of incursion in a Sentence

an incursion into enemy airspace

there were incursions from the border every summer

Recent Examples on the Web

This is due to a growing sense throughout Europe that FIFA is seeking to make incursions into both UEFA’s dominance and income. — Adam Crafton, New York Times, 31 July 2026

Models from two of the most powerful AI platforms have committed what would likely amount to multiple felonies had the incursions not involved AI. — Dan Goodin, ArsTechnica, 31 July 2026

Fans are speculating that various superheroes travel across timelines to join forces and stop both the incursions. — Eliana Dockterman, Time, 31 July 2026

But that incursion by another municipality made area homeowners even more wary of gentrification. — Raisa Habersham, Miami Herald, 30 July 2026

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

Rhymes for incursion

• aspersion
• aversion
• conversion
• dispersion
• diversion
• eversion
• excursion
• immersion
• inversion
• perversion
• recursion
• reversion

Kids Definition

incursion

noun

in·​cur·​sion in-ˈkər-zhən 

: a sudden usually temporary invasion : raid