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 The Bradley first saw combat in the 1991 Gulf War, then the 2003 invasion of Iraq and the 2014 war against the Islamic State. Kyle Mizokami, Popular Mechanics, "This Armored Vehicle Could Join the U.S. Army of Tomorrow," 26 Oct. 2020 Rickie Ellis II, 20, of the 3600 block of Shannon, Plainfield, was arrested on charges of home invasion/firearm, residential burglary and criminal trespass to residence at 4 p.m. Oct. 16 in the 1300 block of Modaff Road. chicagotribune.com, "Naperville Police Blotter: Arrests for fighting, being a fugitive from justice, property damage, identity theft and other charges," 26 Oct. 2020 Cincinnati Shakespeare Company presents a riveting adaptation of the H.G. Wells book about a martian invasion of earth. Luann Gibbs, The Enquirer, "Things to do in Cincinnati this week: Oct. 26-Nov. 1," 25 Oct. 2020 Robert Wayne Roady, 48, faces multiple charges, including invasion of personal privacy. oregonlive, "VA police officer in Roseburg hid cameras in 14-year-old girl’s bedroom ‘for sexual purposes’: Sheriff’s office," 24 Oct. 2020 Chinese troops, whom Beijing characterized as a volunteer army, entered combat in October 1950 as U.S.-led United Nations forces threatened to overwhelm North Korea just months after the war began with Pyongyang’s invasion of South Korea. Chun Han Wong, WSJ, "Xi Recalls Anti-U.S. Struggle in Korean War: Chinese People ‘Aren’t to Be Trifled With’," 23 Oct. 2020 That ship sank in 1940 at the start of Germany’s invasion of Norway. Livia Gershon, Smithsonian Magazine, "Shipwrecked Nazi Steamer May Hold Clues to the Amber Room’s Fate," 23 Oct. 2020 However, hurricanes aren’t the most important invasion pathway. Rebecca Renner, National Geographic, "Intensifying hurricanes are helping invasive species spread across the U.S.," 22 Oct. 2020 The front yard invasion of yellow spray paint markings and ground flags in Fairview Park means Dominion Energy Ohio is about to tackle another pipeline replacement project. John Benson, cleveland, "Dominion Energy Ohio begins $4.4 million pipeline replacement project in Fairview Park," 21 Oct. 2020

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 invasioun "assault, attack," borrowed from Anglo-French invasion, envasioun, borrowed from Late Latin invāsiōn-, invāsiō "attack, taking possession by violence," from Latin invādere "to enter with hostile intent, assault, attack" + -tiōn-, -tiō, suffix of verbal action — more at 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

29 Oct 2020

Cite this Entry

“Invasion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invasion. Accessed 29 Oct. 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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