Invade and defeat conclusively (7)

I believe the answer is:

overrun

(Other definitions for overrun that I've seen before include "Go beyond schedule" , "Swamp (an area)" , "UN rover (anag.)" , "Exceed (estimated cost)" , "Exceed (allowed cost/time)" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.