Definition of invade in English:

invade

verb

[WITH OBJECT]
  • 1 (of an armed force or its commander) enter (a country or region) so as to subjugate or occupy it.

    ‘it was all part of a grander French plan to invade Ireland’
    [no object] ‘they would invade at dawn’
    • ‘My father was part of the force that would have invaded the mainland.’
    • ‘The invading army numbered approximately 100,000 troops.’
    • ‘The island is invaded by outsiders.’
    • ‘But it was your country that wanted to invade this place.’
    • ‘She was still in Hong Kong when the Japanese forces invaded that territory in 1941.’
    • ‘Then, on November 5th, 1881, a force of 1589 soldiers and armed police invaded the village.’
    • ‘William spent the winter months preparing and then, once ready, waited for the right moment to invade the country.’
    • ‘On the pretext of a threat to their security, they invade an independent country far away from home.’
    • ‘Certainly they're not going start a war, chemical, biological or nuclear within the country unless we provoke them to it by invading the country.’
    • ‘His legend was born out of the Battle of Badon Hill, a battle which devastated the invading Saxon army.’
    • ‘British armed forces invaded Mesopotamia in 1914 with promises of freedom—from the Turks.’
    • ‘The president went to war to establish the principle you cannot unilaterally invade another country.’
    • ‘No doubt his resolution was steeled by news of disasters from the front, as Prussia entered the war and prepared to invade French territory.’
    • ‘For half a century they held out against the invading Romans.’
    • ‘I am just inquiring, what was the British tradition in relation to maintaining discipline of its forces when they were invading countries like India?’
    • ‘They were the first casualties since the allies invaded the country.’
    • ‘The book was probably taken to Ireland by the monks of Iona when they were put to flight by invading Vikings at the beginning of the 9th century.’
    • ‘Mongolian forces invaded Koryo in 1231 and occupied the kingdom until 1368.’
    • ‘The territory was invaded first by Scandinavians and later by the Normans, to be ruled by a French-speaking monarchy and nobility until the 15th century.’
    • ‘Hitler invaded Poland on 1 September 1939.’
    occupy, conquer, capture, seize, annex, win, gain, secure
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    1. 1.1 Enter (a place, situation, or sphere of activity) in large numbers, especially with intrusive effect.
      ‘demonstrators invaded the presidential palace’
      • ‘Datura ferox seeds were collected from plants invading soybean fields in Junín, province of Buenos Aires, Argentina.’
      • ‘What is happening on the football terraces, and now invading the cricket fields, encourages one to believe the spirit of English sportsmanship is in decline.’
      • ‘The minute he said that a heavy atmosphere of silence invaded the place.’
      • ‘For the patients of Oregon State Mental Hospital, the experience of having the cast and crew invade their world turned out to be a positive one.’
      • ‘Detailed field experiments on current generation GM crops show that in a range of environments they are very unlikely to invade the countryside and become problematic plants.’
      • ‘Nelson had managed to round up about 600 of the animals, before activists once again invaded his farm on October 23 and released the recaptured animals.’
      • ‘Chitambo community relations coordinator, Fredrick Mbulwe said the project started last September to reduce the number of elephant cases invading the area.’
      • ‘Government embarked in 2000 on land reforms which saw veterans of the liberation war along with pro-government supporters invading white-owned farms.’
      • ‘Ramblers never wanted the right to invade the countryside, just the opportunity to appreciate it.’
      • ‘He was someone special enough that they could let him invade their comfortable place.’
      • ‘The crickets chirped while the sky ahead turned even darker, the clouds invading the sky and emerging the triumphant winner.’
      • ‘After protesters emerged from invading the conference centre, hundreds of people staged an impromptu march around the vast hall.’
      • ‘We are used to wildlife invading our living rooms.’
      • ‘One irritatingly clever woman in the back kept offering solid suggestion, such as a new ramp to the site off Highway 20 to prevent a lot of traffic from invading the area.’
      • ‘Then, activists invaded the public space of lunch counters and voter registration offices simply to eat lunch and register to vote.’
      • ‘Within his elaborate composition, this pale blue curtain ended up by invading the background space of the scene and almost completely concealed it.’
      • ‘Depending on the size of the bog garden and the maintenance levels, some reeds and rushes should be avoided because of the tendency to completely invade the area.’
      • ‘Well, the big deal is that suburbia is rapidly invading areas that were once considered more natural than man-made.’
      • ‘Swindon's Sea Scouts invaded a shopping centre car park to raise money for a new safety boat.’
      • ‘I refer to the hordes of people from cheap hotels, apartments and cruise ships who invade the space at Sandy Lane.’
      permeate, pervade, fill, spread over, spread through, diffuse through, imbue, perfuse, be disseminated through, flow through
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    2. 1.2 (of a parasite or disease) spread into (an organism or bodily part)
      • ‘How platelets help cancer invade other tissues Category: Cancer / Oncology News’
      • ‘Through a series of steps called the immune response, the immune system attacks organisms and substances that invade our systems and cause disease.’
      • ‘The next time the mosquito feeds, the parasites invade a new victim.’
      • ‘Rarely, the infection invades the liver and causes an abscess.’
      • ‘Increases in urinary progestins and estrogens may lead to a decreased ability of the lower urinary tract to resist invading bacteria.’
      • ‘The inevitable anomaly exists as to how pathogens invade plants containing potentially toxic levels of constitutive antifungal compounds.’
      • ‘It is also the source of our immune system's ability to consume or otherwise incorporate invading bacteria and sometimes to benefit by their presence.’
      • ‘The low iron levels associated with infection are the body's way of keeping iron away from invading bacteria.’
      • ‘They are not normally present in significant quantities until a plant is invaded by disease.’
      • ‘Neutrophils play a key role in the body's defense against invading bacteria.’
      • ‘If so, perhaps the cell surface would become more amenable to invading bacteria.’
      • ‘Now when anything invades another cell, or particularly when a parasite invades a red blood cell, they have to multiply.’
      • ‘This cancer can invade nearby tissue but rarely, if ever, spreads (metastasizes).’
      • ‘Scientists do not know why some people infected with West Nile virus have no symptoms or a mild flu-like illness, while in others the virus invades the central nervous system and causes paralysis or coma.’
      • ‘The most common type of granulocyte, the neutrophils, move to infected parts of the body to engulf and consume invading bacteria.’
      • ‘Tiny organisms that invade the body cause infections that can make you ill.’
      • ‘Plants are exposed to a great number of pathogenic microorganisms, but a relatively small proportion of them are able to invade plants and cause diseases.’
      • ‘Vaccines can stimulate the immune system to produce antibodies or specialized cells or both to stop invading viruses.’
      • ‘This destroys more T-cells, which damages the body's ability to fight off invading germs and disease.’
      • ‘Barely two months later, the insidious disease had invaded Carol's lungs and brain.’
    3. 1.3 (of a person or emotion) encroach or intrude on.
      ‘he felt his privacy was being invaded’
      • ‘The possibilities include adding extra points for financially motivated hackers, or for intruders that invade an individual's privacy.’
      • ‘Civil liberties groups, however, have raised concerns that the long lens of the law invades the privacy of innocent residents.’
      • ‘Fifty-one percent thought the press intruded too much on the public involved in news stories, although 40 percent thought it was justifiable to invade the privacy of politicians.’
      • ‘I felt like my privacy was invaded, and I could never trust them again.’
      • ‘No one invaded my privacy and I could sleep soundly through the night.’
      • ‘Yes, but to be famous is, if you like privacy, it invades your privacy and takes that away from you.’
      • ‘He apologizes for invading her space, says he won't bother her anymore, and disappears.’
      • ‘I just really felt like I'd be intruding, invading their privacy.’
      • ‘Bobby stepped forward, completely invading Paul's personal space in a gesture that was deliberately challenging.’
      • ‘The government claims that children's privacy is invaded by a prosecution involving their parents.’
      • ‘He asked as he advanced across the room, pausing a few inches from Trey, completely invading his personal space.’
      • ‘He dislikes being in the headlines, resents teammates invading his space, and is never happier than when walking his dogs, Billy and Molly, or drinking beers in his kitchen rather than his local pub.’
      • ‘Some dads invade privacy this way to ease anxieties about how fast their daughters are growing up.’
      • ‘I suggest that the authorities also include the removal of massive boom boxes which invade our privacy and serenity.’
      • ‘She couldn't stand it, the way he continue to invade her space and kiss her in such a way that it was more of a chore than meaning.’
      • ‘Many Americans think their privacy is being invaded, and they're right.’
      • ‘It took me years to get over the first burglary, and now my home and privacy have been invaded again.’
      • ‘The number of stars attempting to bring cases to court or objecting to regulatory bodies because they feel their privacy has been invaded has jumped in recent years.’
      • ‘I have rarely encountered a celebrity who has so voraciously invaded her own privacy.’
      • ‘Critics have charged that the program will give the defence department the power to invade personal privacy.’
      intrude on, violate, encroach on, infringe on, trespass on, obtrude on, burst in on, interrupt, disturb, disrupt
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Origin

Late Middle English (in the sense attack or assault [a person]): from Latin invadere, from in- into + vadere go.

Pronunciation

invade

/inˈvād/