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invade

[in-veyd] /ɪnˈveɪd/
verb (used with object), invaded, invading.
1.
to enter forcefully as an enemy; go into with hostile intent:
Germany invaded Poland in 1939.
2.
to enter like an enemy:
Locusts invaded the fields.
3.
to enter as if to take possession:
to invade a neighbor's home.
4.
to enter and affect injuriously or destructively, as disease:
viruses that invade the bloodstream.
5.
to intrude upon:
to invade the privacy of a family.
6.
to encroach or infringe upon:
to invade the rights of citizens.
7.
to permeate:
The smell of baking invades the house.
8.
to penetrate; spread into or over:
The population boom has caused city dwellers to invade the suburbs.
verb (used without object), invaded, invading.
9.
to make an invasion:
troops awaiting the signal to invade.
Origin
1485-1495
1485-95; < Latin invādere, equivalent to in- in-2 + vādere to go; see wade
Related forms
invadable, adjective
invader, noun
quasi-invaded, adjective
reinvade, verb (used with object), reinvaded, reinvading.
uninvadable, adjective
uninvaded, adjective
Synonyms
1, 2. penetrate, attack.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for invading
  • The idea of a citizen army equipped with hunting rifles and hand guns repelling a modern invading army is laughable.
  • The only specie endangered by this wall is the hoard of illegal aliens invading our border at an ever increasing rate.
  • As an alternative, his team proposed that human cells might prevent the chimpanzee viruses from even invading.
  • We try to stop species from invading other habitats multiplying and ruining the ecosystem there.
  • The next step might be to develop a certification system to make it clear which species are at low risk of invading.
  • Placental mammals invading from the north later replaced the southern marsupial carnivores.
  • It can close its nostrils to keep dust and insects from invading its snout, and its thick skin protects it from bites.
  • Three brothers living near the edge of a forest witness the coming of an invading army.
  • Sometimes, it unleashes a potentially lethal overreaction to the invading microbe.
  • It was frenzied as adults and children ran, jumped and grabbed in an attempt to win one of the invading figures.
British Dictionary definitions for invading

invade

/ɪnˈveɪd/
verb
1.
to enter (a country, territory, etc) by military force
2.
(transitive) to occupy in large numbers; overrun; infest
3.
(transitive) to trespass or encroach upon (privacy, etc)
4.
(transitive) to enter and spread throughout, esp harmfully; pervade
5.
(of plants, esp weeds) to become established in (a place to which they are not native)
Derived Forms
invadable, adjective
invader, noun
Word Origin
C15: from Latin invādere, from vādere to go
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for invading

invade

v.

late 15c., from Middle French invader "to invade," and directly from Latin invadere "to go into, enter upon; assail, assault, attack" (see invasion). Related: invaded; invading.

Online Etymology Dictionary, © 2010 Douglas Harper
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