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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 invaders
  • People have the right to fight back against their invaders and their abusers.
  • Your language came from a long line of people thwacking invaders.
  • The people began to make their appearance upon the streets without fear of the invaders.
  • In the south and east it was destroyed later, but far more thoroughly, by invaders of an utterly different type.
  • The time has come to expose them for what they are: alien invaders.
  • The invaders die, and so do five of the seven mercenaries.
  • The five-story building actually has six floors, an unusual feature that made the building easy to defend against invaders.
  • Dendritic cells catch invaders and tell the immune system when and how to respond.
  • Ordinarily, the immune system identifies invaders and marks them for destruction.
  • They circulate around the body and bind to invaders such as viruses, thus disabling them.
British Dictionary definitions for invaders

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 invaders

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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