Completely destroy (4)
'completely destroy' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for exterminate that I've seen before include "Dalek's instruction to kill!" , "Destroy utterly" , "Completely destroy (Dalek style)" , "Get rid of" , "Dalek's order to kill" .)
'completely destroy' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for raze that I've seen before include "level" , "Destroy totally, demolish" , "Destroy completely, tear down to the ground" , "Demolish (a building)" , "Demolish completely" .)
(Other definitions for demolish that I've seen before include "Knock or tear down" , "Knock down, a building or argument perhaps" , "Raze to the ground" , "Break down" , "Pull or tear down" .)