invasion

noun
in·​va·​sion | \in-ˈvā-zhən \

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

Both were charged with home invasion, first-degree assault and armed robbery. Dan Morse, Washington Post, "Target of murder-for-hire plot tries to laugh away bargain-based price tag: ‘Insulting to be sure’," 13 July 2018 The landings at Normandy on the sixth of June—the only invasion to which the term D-Day is unalterably connected—had taken place only nine days before the landings at Saipan. Dorothy Rabinowitz, WSJ, "‘The Pacific War in Color: The Enemy Underground’ Review: War, Vividly Rendered," 12 July 2018 Neighboring cells then start shoring themselves up for a viral invasion. Lucy Cooke, ajc, "US military is interested in bats as possible defenders against bioweapons," 3 July 2018 The North has cited military drills between the United States and South Korea as a prime example of US hostility, calling them rehearsals for invasion. BostonGlobe.com, "After North Korea meeting, reactions range from deep skepticism to guarded optimism," 13 June 2018 The annual drills, separate from regular training programs, have long angered North Korea’s leadership, which views them as a rehearsal for an invasion. Daniel Flatley, Bloomberg.com, "Trump Suspends South Korea ‘War Games’ in Bet Kim Can Be Trusted," 12 June 2018 Russia and China have long joined North Korea in denouncing the U.S. maneuvers in South Korea as a rehearsal for invasion. David S. Cloud, latimes.com, "Trump's decision to halt military exercises with South Korea leaves Pentagon and allies nervous," 12 June 2018 Was the purpose for the maps to prepare for a military invasion? Erik Lacitis, The Seattle Times, "The Soviets’ secret map of Seattle tells a lot about us," 1 June 2018 North Korea always reacts angrily to the joint U.S.-South Korea military exercises, considering them as a rehearsal for an invasion. The Washington Post, cleveland.com, "North Korea threatens to cancel summit with Trump over military drills," 15 May 2018

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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Statistics for invasion

Last Updated

11 Nov 2018

Look-up Popularity

Time Traveler for invasion

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

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More Definitions for invasion

invasion

noun
in·​va·​sion | \in-ˈvā-zhən \

Kids Definition of invasion

: an act of invading

invasion

noun
in·​va·​sion | \in-ˈvā-zhən \

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

invasion

noun
in·​va·​sion | \in-ˈvā-zhən \

Legal Definition of invasion 

: the act of or an instance of invading

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Comments on invasion

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