Invasion meaning

ĭn-vā'zhən
The definition of an invasion is the entering or taking over of a place, or being entered by force.

An example of an invasion is a military attack on a town.

An example of an invasion is the infestation of a bug on a crop.

An example of an invasion is the spread of a virus.

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

Your reading her diary was an invasion of her privacy.

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An invading or being invaded.
  • An entering or being entered by an attacking military force.
  • An intrusion or infringement.
  • The onset, appearance, or spread of something.
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The entry into bodily tissue and subsequent proliferation of an injurious entity, such as a pathogen or tumor.
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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.
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(figuratively) The entry of a large group into a new area.

An invasion of mobile phones.

An invasion of bees.

An invasion of foreign tourists.

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Origin of invasion

  • Middle English invasioun from Old French invasion from Late Latin invāsiō invāsiōn- from invāsus past participle of invādere to invade invade
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Middle French invasion, from Late Latin invāsiōnem, nominative of invāsiō.
    From Wiktionary