Definition of incursion
- his only incursion into the arts
an incursion into enemy airspace
there were incursions from the border every summer
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'incursion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 15th centurySee Words from the same year
: a sudden invasion or attack : an act of entering a place or area that is controlled by an enemy
What made you want to look up incursion? Please tell us where you read or heard it (including the quote, if possible).