Definition of invades:
(v) :
(transitive) To enter by force, usually in order to conquer.
(v) :
To attack; to infringe; to encroach on; to violate.
(v) :
To make an unwelcome or uninvited visit or appearance, usually with an intent to cause trouble or some other unpleasant situation.
(v) :
(transitive) To infest or overrun.
(v) :
(transitive) To move into.