invade
Americanverb (used with object)
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to enter forcefully as an enemy; go into with hostile intent.
Germany invaded Poland in 1939.
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to enter like an enemy.
Locusts invaded the fields.
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to enter as if to take possession.
to invade a neighbor's home.
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to enter and affect injuriously or destructively, as disease.
viruses that invade the bloodstream.
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to intrude upon.
to invade the privacy of a family.
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to encroach or infringe upon.
to invade the rights of citizens.
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to permeate.
The smell of baking invades the house.
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to penetrate; spread into or over.
The population boom has caused city dwellers to invade the suburbs.
verb (used without object)
verb
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to enter (a country, territory, etc) by military force
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(tr) to occupy in large numbers; overrun; infest
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(tr) to trespass or encroach upon (privacy, etc)
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(tr) to enter and spread throughout, esp harmfully; pervade
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(of plants, esp weeds) to become established in (a place to which they are not native)
Other Word Forms
- invadable adjective
- invader noun
- quasi-invaded adjective
- reinvade verb (used with object)
- uninvadable adjective
- uninvaded adjective
Etymology
Origin of invade
First recorded in 1485–95; from Latin invādere, from in- in- 2 + vādere “to go, walk” ( wade )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Beatles invaded his country; he never played a single gig in theirs.
From Los Angeles Times
But it had been invaded at least twice now, that he knew of.
From Literature
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It is thought he took soldiers and animals from Carthage through Spain and France to invade Italy, crossing the Alps with 37 elephants in 218 BCE during the second of the so-called Punic Wars.
From BBC
Researchers led by Tajie Harris, PhD, set out to understand how the immune system responds when Toxoplasma invades CD8+ T cells, which are specialized immune cells responsible for killing infected cells.
From Science Daily
Out of the roughly ten flatworm species that have invaded France, only one was linked to this type of transport: Caenoplana variegata.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.