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[in-kur-zhuh n, -shuh n] /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.
late Middle English
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
1. sortie, foray, attack. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for incursions
  • Such incursions can have lasting effects on campus morale and cooperation.
  • Mineral extraction and agricultural deforestation have taken a toll, and incursions into the region show every sign of expanding.
  • And their function was to guard against incursions by smaller wild monkeys.
  • Skilled technicians who were angered by the incursions, the bloggers began to fight back.
  • And these sorts of incursions rarely seem to achieve their desired ends.
  • He said we're guilty of all these incursions into the wilderness.
  • For decades, exchanges of fire and reports of territorial incursions have been an annual--if not monthly--occurrence.
  • Reports of troop buildups and border incursions have increased.
  • The ostensible reason was that each government accused the other of incursions across the poorly marked common border.
  • Each side, then, seems to have defences against the incursions of the other.
British Dictionary definitions for incursions


a sudden invasion, attack, or raid
the act of running or leaking into; penetration
Derived Forms
incursive (ɪnˈkɜːsɪv) adjective
Word Origin
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
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Word Origin and History for incursions



"hostile attack," early 15c., from Middle French incursion (14c.) or directly from Latin incursionem (nominative incursio) "a running against," noun of action from past participle stem of incurrere (see incur).

Online Etymology Dictionary, © 2010 Douglas Harper
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