[ in-veyd ]
/ ɪnˈveɪd /

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

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 forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for invade

British Dictionary definitions for invade


/ (ɪnˈveɪd) /


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 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.

Online Etymology Dictionary, © 2010 Douglas Harper