from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An aggressive entrance into foreign territory; a raid or invasion.
  • n. The act of entering another's territory or domain.
  • n. The act of entering or running into: homes damaged by the incursion of floodwater.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An aggressive movement into somewhere; an invasion.

from the GNU version of the Collaborative International Dictionary of English

  • n. A running into; hence, an entering into a territory with hostile intention; a temporary invasion; a predatory or harassing inroad; a raid.
  • n. Attack; occurrence.

from The Century Dictionary and Cyclopedia

  • n. A running in or into something; an inroad or invasion.
  • n. Synonyms Irruption, raid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an attack that penetrates into enemy territory
  • n. the mistake of incurring liability or blame
  • n. the act of entering some territory or domain (often in large numbers)


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English, from Old French, from Latin incursiō, incursiōn-, from incursus, past participle of incurrere, to run upon; see incur.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English, from Old French, from Latin incursio.


  • Moammar Gadhafi's regime over what it called an incursion by Libyan forces, the Foreign Ministry said.

    Gadhafi's Troops Chase Rebels Into Tunisia

  • “Any incursion is likely to be triggered by better-than-usual intelligence about the location and activities of senior jihadist leaders.”

    Striking Al-Qaeda’s New Base

  • The truth is that this conflict was not even presented to the American people as a war in the first place but as a short-term incursion, justified by the threat of weapons of mass destruction that did not exist.

    Uncle Sam Wants You?

  • "We hope that this is a short-term incursion so that they Turkey can help deal with the threat."

    Archive 2008-02-01

  • I think that the word incursion, of course, doesn't really apply here.

    CNN Transcript Apr 7, 2003

  • But ignoring that, what they propose to do is not to undo the whole of this system of an internal market but to try to modify it in such ways that it will be protected against further incursion from the private sector but at the same time retain some of the benefits which I talked about earlier.

    Universality Under Siege

  • The army assessors produced a realistic report of what the small, under-strength and under-equipped Irish military could accomplish - a brief, limited, short-term incursion across the border.

    The Cedar Lounge Revolution

  • FROST: But one of the principle justifications you gave for the incursion was the supposed existence of the headquarters of the entire communist military operation in South Vietnam, a sort of Bamboo Pentagon, which proved not to exist at all.

    “Frost/Nixon”: Brits defeat U.S. 230 years after 1st attempt « The Retort

  • Rear Adm. Gregory Smith, U.S. military spokesman in Iraq, said the U.S. understands the incursion is a limited operation to target the PKK and said Washington received assurances from Turkey that it would do everything possible to avoid "collateral damage to innocent civilians or Kurdish infrastructure."

    Turkish Troops Pursue Rebels in Iraq

  • The Arab League called the incursion "unacceptable," but most Mideast governments kept quiet.

    A Mission Of Mystery


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  • Rather different from an excursion.

    February 18, 2008