Overrun (6)
'overrun' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for invade that I've seen before include "Penetrate other country with armed forces" , "Enter other's territory aggressively" , "Intrude on" , "Enter by force so as to conquer" , "infect" .)
'overrun' is the definition.
(synonyms)
This is all the clue.
(Other definitions for infest that I've seen before include "Feints to be numerous and troublesome" , "Invade in great numbers, as pests" , "(Of insects) to fill or invade (something)" , "Numerically swamp" , "Finest (anag)" .)
'overrun' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for infested that I've seen before include "Plagued" , "Feed isn't (anag) - swarming" , "Crawling" , "Overrun by parasites" .)