[ 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 invader

British Dictionary definitions for invader


/ (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 Forms

invadable, 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