Answer:

overrun

Answer	Crossword Clue
OVERRUN	Infested
OVERRUN	Infest
OVERRUN	Defeat, militarily

OVERRUN	Plague
OVERRUN	Invade
OVERRUN	Successfully invade
OVERRUN	Deluge
OVERRUN	Ravage.
OVERRUN	Invade and occupy.
OVERRUN	Spread swiftly throughout.
OVERRUN	Invade.

OVERRUN	Ravage
OVERRUN	Excess amount
OVERRUN	Pest-ridden, say
OVERRUN	Production excess
OVERRUN	Trample
OVERRUN	Invade in great numbers
OVERRUN	Defeat via invasion
OVERRUN	Inundate

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.