invasion

noun

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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

Synonyms Example Sentences Learn More About invasion

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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

Recent Examples on the Web The presenting issue was military: the threat of a French invasion loomed—which is why mapping began in the country’s southeast. — Alan Jacobs, Harper's Magazine, 12 Oct. 2021 Incredibly, that is the official advice for lanternfly control being handed out by experts across the lanternfly-invasion zone. — Leanne Potts, Better Homes & Gardens, 4 Oct. 2021 Melania Trump was represented in both cases by attorney Charles Harder, who represented professional wrestler Hulk Hogan in his invasion-of-privacy suit against Gawker Media. — Washington Post, 22 Sep. 2021 Fortnite is about to end the alien invasion, one way or another, with an event called Sky Fire, which takes place this Saturday. — Paul Tassi, Forbes, 10 Sep. 2021 Short of another invasion, who is going to hold them to that? — Lisa Selin Davis, CNN, 4 Sep. 2021 The Taliban’s refusal to give bin Laden up triggered the U.S. invasion, which toppled their government later that year. — NBC News, 3 Sep. 2021 The war was eclipsed by the 2003 U.S. invasion of Iraq, its aims morphing and muddying with passing years. — Nabih Bulos, Los Angeles Times, 30 Aug. 2021 Twelve Minutes confronts these questions head-on through the lens of the home-invasion thriller. — Lewis Gordon, Wired, 18 Aug. 2021

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.

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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