Results for: invader
v. in·vad·ed, in·vad·ing, in·vades
1. To enter by force in order to conquer or pillage.
2. To encroach or intrude on; violate: The principal of the trusts could not be invaded without trustee approval (Barbara Goldsmith).
3. To overrun as if by invading; infest: About 1917 the shipworm invaded the harbor of San Francisco (Rachel Carson).
4. To enter and permeate, especially harmfully.
To make an invasion: The X-rays showed that the cancer, which had invaded deeply into the chest cavity, was retreating (Zach Rosen).
[Middle English, from Old French invader
, from Latin invdere
; see in-2
, to go