invade

verb
in·​vade | \ in-ˈvād How to pronounce invade (audio) \
invaded; invading

Definition of invade

transitive verb

1 : to enter for conquest or plunder
2 : to encroach upon : infringe
3a : to spread over or into as if invading : permeate doubts invade his mind
b : to affect injuriously and progressively gangrene invades healthy tissue

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Other Words from invade

invader noun

Synonyms for invade

Synonyms

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Choose the Right Synonym for invade

trespass, encroach, infringe, invade mean to make inroads upon the property, territory, or rights of another. trespass implies an unwarranted or unlawful intrusion. hunters trespassing on farmland encroach suggests gradual or stealthy entrance upon another's territory or usurpation of another's rights or possessions. the encroaching settlers displacing the native peoples infringe implies an encroachment clearly violating a right or prerogative. infringing a copyright invade implies a hostile and injurious entry into the territory or sphere of another. accused of invading their privacy

Examples of invade in a Sentence

The troops invaded at dawn. When tourists invade, the town is a very different place. The cancer eventually invaded the brain. Weeds had invaded the garden. Bacteria invaded and caused an infection.
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Recent Examples on the Web But the spike is also the grappling hook and battering ram that the virus uses to attach to and invade host cells. Adam Rogers, Wired, "The Raging Evolutionary War Between Humans and Covid-19," 1 Mar. 2021 Its position can determine what part of the USA the Arctic air will invade. Doyle Rice, USA TODAY, "An arctic blast is coming. And we can blame the infamous polar vortex.," 3 Feb. 2021 No politician had incited the action, which did not invade the government. John Brummett, Arkansas Online, "OPINION | JOHN BRUMMETT: A primer on protest," 18 Jan. 2021 This cooperation among rule breakers may drive their ability to successfully metastasize and invade other tissues. Athena Aktipis, Scientific American, "How Evolution Helps Us Understand Cancer and Control It," 1 Jan. 2021 Meanwhile, incredibly cold air will invade the U.S. starting tonight. Janice Dean, Fox News, "Several storms to chug across US, bringing snow, dangerous travel conditions," 5 Feb. 2021 Some of her modes of penance will surely invade your dreams. Lindsey Bahr, Star Tribune, "Review: In 'Saint Maud,' is a visceral psychological horror," 2 Feb. 2021 Clumping varieties usually do not invade the rest of your garden (or your neighbors’ gardens). oregonlive, "Caging tender plants may help prevent deer damage: Ask an expert," 30 Jan. 2021 The strain has 10 mutations located on the spike protein that the coronavirus uses to invade cells and has been a key target of vaccine designers. Globe Staff, BostonGlobe.com, "Moderna plans study of a COVID-19 booster shot to combat variants," 25 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'invade.' 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 invade

15th century, in the meaning defined at sense 1

History and Etymology for invade

borrowed from Latin invādere "to enter with hostile intent, assault, attack," from in- in- entry 2 + vādere "to advance, go (quickly or purposefully)" — more at wade entry 1

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Time Traveler for invade

Time Traveler

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

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Statistics for invade

Last Updated

5 Mar 2021

Cite this Entry

“Invade.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invade. Accessed 6 Mar. 2021.

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More Definitions for invade

invade

verb

English Language Learners Definition of invade

: to enter (a place, such as a foreign country) in order to take control by military force
: to enter (a place) in large numbers
: to enter or be in (a place where you are not wanted)

invade

verb
in·​vade | \ in-ˈvād How to pronounce invade (audio) \
invaded; invading

Kids Definition of invade

1 : to enter by force to conquer or plunder
2 : to show lack of respect for She invaded their privacy.

Other Words from invade

invader noun
in·​vade | \ in-ˈvād How to pronounce invade (audio) \
invaded; invading

Medical Definition of invade

1 : to enter and spread within either normally (as in development) or abnormally (as in infection) often with harmful effects protect the body from invading viruses branches of a nerve invade the skin area
2 : to affect injuriously and progressively gangrene invades healthy tissue

Other Words from invade

invader \ -​ˈvād-​ər How to pronounce invade (audio) \ noun

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in·​vade
invaded; invading

Legal Definition of invade

1 : to encroach upon : infringe invading a constitutional right
2 : to make payments out of (a fund from which payments are not ordinarily made) authorized the trustee to invade the principal for educational expenses

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Comments on invade

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