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

Additionally, the past few years have not been easy for many brick-and-mortar shops as business has pivoted toward online shopping and rapid-delivery services, and some shopkeepers oppose the incursion of the parklets into their storefronts and street parking. —Kate Bradshaw, Mercury News, 9 June 2026

Ukrainian drones have previously crashed in all three Baltic states, which all share borders with Russia, with officials blaming the inadvertent incursion on Russian electronic warfare. —CBS News, 8 June 2026

Patience can be developed in lots of different areas of life that have nothing to do with research and which are less susceptible to AI incursion. —Christian B. Miller, The Conversation, 4 June 2026

Four years before Qatar, the tournament was in Russia, giving Vladimir Putin a turn on the global stage despite his incursions into Ukraine and Georgia. —Jonathan Lemire, The Atlantic, 4 June 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