[ in-kur-zhuhn, -shuhn ]
/ ɪnˈkɜr ʒən, -ʃən /


a hostile entrance into or invasion of a place or territory, especially a sudden one; raid: The bandits made brief incursions on the village.
a harmful inroad.
a running in: the incursion of sea water.

Origin of incursion

1400–50; late Middle English < Latin incursiōn- (stem of incursiō) raid, equivalent to incurs(us) (past participle of incurrere to incur) + -iōn- -ion; see excursion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for incursion

British Dictionary definitions for incursion


/ (ɪnˈkɜːʃən) /


a sudden invasion, attack, or raid
the act of running or leaking into; penetration

Derived Forms

incursive (ɪnˈkɜːsɪv), adjective

Word Origin for incursion

C15: from Latin incursiō onset, attack, from incurrere to run into; see incur
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012