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

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 The scenario was that the Blue Force, the U.S. military, was invading a smaller, yet scrappy Middle Eastern country (Iran), in a time frame set five years in the future, or 2007. Kyle Mizokami, Popular Mechanics, "The U.S. Lost a (Fictional) War With Iran 18 Years Ago," 3 Jan. 2020 The Theranos story, meanwhile, left him newly astonished by the cult-of-personality phenomenon that has invaded corporations and business schools (and, Bridgman believes, fueled the election of US president Donald Trump). Lila Maclellan, Quartz at Work, "What if the foundational theories about how to run a company have been corrupted?," 9 Dec. 2019 When Japan invaded Indonesia in 1941, Peter, Olaf and their Swedish mother, Ulla, escaped to Borneo, according to a 2014 interview with Olaf Harken. Evan Frank, Milwaukee Journal Sentinel, "'He was a giant in the world of sailing': Olaf Harken, co-owner of Pewaukee-based Harken Inc., dies at 80," 22 Oct. 2019 The Iranians are the principal influence in the 60 percent of the population that is Shiite, precisely the opposite of what was intended when the United States invaded Iraq under President George W. Bush. Conrad Black, National Review, "In Syria, Trump Makes the Best of the Situation," 18 Oct. 2019 Sea turtle nesting season, the annual rite of spring when thousands of female sea turtles invade South Florida beaches to lay their eggs, started March 1 and ends Oct. 31. Johnny Diaz,, "Baby sea turtle found dead in South Florida had 104 pieces of plastic in its body," 4 Oct. 2019 The Nizam of Hyderabad ruled over his independent state from 1911 until 1948, when the Indian Army invaded it. Rory Sullivan, CNN, "Indian royals win $43 million in dispute over bank deposit from 1948," 3 Oct. 2019 When the Japanese invaded in 1937, the family sold the carriages before they could be looted, but ended up bankrupt in the chaos. Los Angeles Times, "At 70, Communist China is older than the Soviet Union, while rivaling U.S. economic power," 29 Sep. 2019 The two have been at odds since 1974, when Turkey invaded following a coup by supporters of union with Greece, splitting the country along ethnic lines. San Diego Union-Tribune, "Abbas slams US for ‘depriving peace process of credibility’," 26 Sep. 2019

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

Middle English, from Latin invadere, from in- + vadere to go — more at wade

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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

7 Feb 2020

Cite this Entry

“Invade.” Dictionary, Merriam-Webster, Accessed 17 Feb. 2020.

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More Definitions for invade


How to pronounce invade (audio)

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)


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 invader (audio) \ noun

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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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More from Merriam-Webster on invade

Thesaurus: All synonyms and antonyms for invade

Rhyming Dictionary: Words that rhyme with invade

Spanish Central: Translation of invade

Nglish: Translation of invade for Spanish Speakers

Britannica English: Translation of invade for Arabic Speakers

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