Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The act of invading, especially the entrance of an armed force into a territory to conquer.
  • noun The entry into bodily tissue and subsequent proliferation of an injurious entity, such as a pathogen or tumor.
  • noun An intrusion or encroachment.

from The Century Dictionary.

  • noun In phytogeography, the phenomenon of the movement of plants from an area of one character into one of a different character, and their colonization in the latter.
  • noun The act of invading a country or territory as an enemy; hostile entrance or intrusion.
  • noun Hence A harmful incursion of any kind; an onset or attack, as of disease.
  • noun Infringement by intrusion; encroachment by entering into or taking away what belongs to another: as, an invasion of one's retirement or rights.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of invading; the act of encroaching upon the rights or possessions of another; encroachment; trespass.
  • noun A warlike or hostile entrance into the possessions or domains of another; the incursion of an army for conquest or plunder.
  • noun The incoming or first attack of anything hurtful or pernicious.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A military action consisting of armed forces of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government.
  • noun figuratively The entry of a large group into a new area.

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

  • noun the act of invading; the act of an army that invades for conquest or plunder
  • noun any entry into an area not previously occupied
  • noun (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body

Etymologies

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

[Middle English invasioun, from Old French invasion, from Late Latin invāsiō, invāsiōn-, from invāsus, past participle of invādere, to invade; see invade.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle French invasion, from Late Latin invāsiōnem, nominative of invāsiō.

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Examples

  • However, the real history is that al-Qaeda had no real foothold in Iraq until the U.S. invasion in 2003 – and that al-Qaeda's leadership saw its post-U. S.-invasion efforts there as a way to divert American forces so the terror group could rebuild its operations in Pakistan and Afghanistan.

    Printing: Can US Make Sound Decisions? 2009

  • SOITM believes that the Turkish possible interference against PKK in Iraq is intervention and not invasion, therefore, the term ´intervention´ is used instead of ´invasion´ in the SOITM presentation.

    American Chronicle 2008

  • However, the real history is that al-Qaeda had no real foothold in Iraq until the U.S. invasion in 2003 †"and that al-Qaeda's leadership saw its post-U. S.-invasion efforts there as a way to divert American forces so the terror group could rebuild its operations in Pakistan and Afghanistan.

    Can US Make Sound Decisions? 2009

  • Worse, the invasion is actually irrelevant, or worse, to accomplishing those objectives - it has to be a purely domestic politics, “looking tough” move.

    Matthew Yglesias » Time Machine 2009

  • Looking back at the riots in a 2008 interview, Rostenkowski defended the police action, and described what he called the invasion of Lincoln Park.

    Corruption Charges Tainted Rostenkowski's Legacy 2010

  • On the ground, the invasion is an actual Israeli violation to the five-month old truce.

    obvious attempt to box the u.s. in 2008

  • With that UFO news down here in Texas recently, it could make one wonder whether the invasion is about to begin.

    SF Tidbits for 1/30/08 2008

  • The second half and the invasion is action-packed, torn loyalties are inevitable and be prepared for a lot of action with Nagamitsu swords and honourable exits.

    57 entries from March 2007 2007

  • The second half and the invasion is action-packed, torn loyalties are inevitable and be prepared for a lot of action with Nagamitsu swords and honourable exits.

    The Gift of Rain 2007

  • The second half and the invasion is action-packed, torn loyalties are inevitable and be prepared for a lot of action with Nagamitsu swords and honourable exits.

    The Gift of Rain 2007

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