invade

[in-veyd]

See more synonyms for invade on Thesaurus.com

verb (used with object), in·vad·ed, in·vad·ing.

to enter forcefully as an enemy; go into with hostile intent: Germany invaded Poland in 1939.
to enter like an enemy: Locusts invaded the fields.
to enter as if to take possession: to invade a neighbor's home.

to enter and affect injuriously or destructively, as disease: viruses that invade the bloodstream.
to intrude upon: to invade the privacy of a family.
to encroach or infringe upon: to invade the rights of citizens.
to permeate: The smell of baking invades the house.
to penetrate; spread into or over: The population boom has caused city dwellers to invade the suburbs.

verb (used without object), in·vad·ed, in·vad·ing.

to make an invasion: troops awaiting the signal to invade.

Origin of invade

1485–95; < Latin invādere, equivalent to in- in-² + vādere to go; see wade

Related formsin·vad·a·ble, adjectivein·vad·er, nounqua·si-in·vad·ed, adjectivere·in·vade, verb (used with object), re·in·vad·ed, re·in·vad·ing.un·in·vad·a·ble, adjectiveun·in·vad·ed, adjective

Synonyms for invade

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1, 2. penetrate, attack.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for invader

alien, intruder

Examples from the Web for invader

Contemporary Examples of invader

But first,” he said, “I am crossing the border into Iraq, to fight against the American invader.
GOP Hypocrisy: Outraged Over Benghazi, Silent on Iraq
Jay Parini
May 11, 2014
It is not clear who will win this battle of media giants, but it is a credit to the invader that it is happening at all.
Murdoch's Italian Offensive
Conrad Black
June 10, 2009

Historical Examples of invader

It began to seem to her as if the invader might pack up her mother's treasures and walk off with them.
Meadow Grass
Alice Brown
The granary alone, then, could be the shelter of the invader, whoever he might be.
Tom Burke Of "Ours", Volume II (of II)
Charles James Lever
Though he was himself an invader, he felt that the Burmans did no wrong in resisting him.
The Soul of a People
H. Fielding
All agreed that the invader had chosen the period of his enterprise judiciously.
Memoirs of the Jacobites of 1715 and 1745
Mrs. Thomson
It was agreed by all that the invader would come in his car; there was no other way.
David Lannarck, Midget
George S. Harney

British Dictionary definitions for invader

invade

verb

to enter (a country, territory, etc) by military force
(tr) to occupy in large numbers; overrun; infest
(tr) to trespass or encroach upon (privacy, etc)
(tr) to enter and spread throughout, esp harmfully; pervade
(of plants, esp weeds) to become established in (a place to which they are not native)

Derived Formsinvadable, adjectiveinvader, noun

Word Origin for invade

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

Word Origin and History for invader

1540s, agent noun from invade.

invade

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.