invade (
http://definr.com/invade)
v 1: march aggressively into another's territory by military
force for the purposes of conquest and occupation;
"Hitler invaded Poland on September 1, 1939" [syn:
occupy]
2: to intrude upon, infringe, encroach on, violate; This new
colleague invades my territory"; "The neighbors intrude on
your privacy" [syn:
intrude on,
obtrude upon, {encroach
upon}]
3: occupy in large numbers or live on a host; "cockroaches
invaded my kitchen"; "Ants overran the picnic table"; "the
Kudzu plant infests muchof the South" and is spreading to
the North" [syn:
overrun,
infest]
4: penetrate or assault, in a harmful or injurious way; "The
cancer had invaded her lungs"