- 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.
- to make an invasion: troops awaiting the signal to invade.
Origin of invade
Synonyms for invade
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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)
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
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