invasion

noun
in·​va·​sion | \ in-ˈvā-zhən How to pronounce invasion (audio) \

Definition of invasion

1 : an act of invading especially : incursion of an army for conquest or plunder
2 : the incoming or spread of something usually hurtful

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Examples of invasion in a Sentence

The enemy launched an invasion. The people live under a constant threat of invasion. The town is gearing up for the annual tourist invasion. protecting the house from insect invasion
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Recent Examples on the Web Richard Sorge drank heavily, bedded his associates’ wives—and provided the Soviets crucial information after Hitler’s invasion. WSJ, "What to Read This Weekend," 3 Jan. 2020 The legislation finally passed this month, days after the Senate advanced a package of sanctions related to Mr. Erdogan’s invasion of northern Syria and his purchase of a sophisticated Russian surface-to-air missile system. Edward Wong, New York Times, "Congress Wants to Force Trump’s Hand on Human Rights in China and Beyond," 27 Dec. 2019 The Taliban today hold sway or control practically half of Afghanistan and are at their strongest since the 2001 U.S.-invasion. Washington Post, "Afghan official says Taliban abducted 26 peace activists," 25 Dec. 2019 The Taliban today hold sway or control practically half of Afghanistan and are at their strongest since the 2001 U.S.-invasion. Tameem Akhgar, SFChronicle.com, "Taliban abduct 26 peace activists, Afghan official says," 25 Dec. 2019 Iraq’s system was set up in 2003, after America’s invasion. The Economist, "System failure Time for Iraq and Lebanon to ditch state-sponsored sectarianism," 7 Dec. 2019 That promise was tragically fulfilled when Tony Blair decided to join George Bush’s invasion of Iraq—a decision that fatefully weakened Blair’s party. James Wood, The New Yorker, "It’s Still Mrs. Thatcher’s Britain," 25 Nov. 2019 Pence hailed the cease-fire as the way to end the bloodshed caused by Turkey’s invasion. BostonGlobe.com, "Pence makes surprise visit to Iraq to reassure allies and greet troops - The Boston Globe," 23 Nov. 2019 The drive-by, Monday’s shooting and Wednesday’s home invasion appear to revolve around the suspect’s fixation on an ex-girlfriend. Fox News, "Suspect in killing of Detroit officer linked to other shootings, chief says," 23 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'invasion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of invasion

15th century, in the meaning defined at sense 1

History and Etymology for invasion

Middle English invasioune, from Anglo-French invasion, from Late Latin invasion-, invasio, from Latin invadere to invade

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Time Traveler for invasion

Time Traveler

The first known use of invasion was in the 15th century

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Statistics for invasion

Last Updated

7 Jan 2020

Cite this Entry

“Invasion.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/invasion. Accessed 20 January 2020.

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More Definitions for invasion

invasion

noun
How to pronounce invasion (audio)

English Language Learners Definition of invasion

: the act of entering a place in an attempt to take control of it
: the act of entering a place in large numbers especially in a way that is harmful or unwanted

invasion

noun
in·​va·​sion | \ in-ˈvā-zhən How to pronounce invasion (audio) \

Kids Definition of invasion

: an act of invading

invasion

noun
in·​va·​sion | \ in-ˈvā-zhən How to pronounce invasion (audio) \

Medical Definition of invasion

: the act of invading: as
a : the penetration of the body of a host by a microorganism
b : the spread and multiplication of a pathogenic microorganism or of malignant cells in the body of a host

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invasion

noun
in·​va·​sion | \ in-ˈvā-zhən How to pronounce invasion (audio) \

Legal Definition of invasion

: the act of or an instance of invading

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Comments on invasion

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