extirpative--prophetes.ai

extirpative, a.
  (ˈɛkstəpeɪtɪv)
  [f. extirpate v. + -ive.]
  Tending to extirpate.

1733 Cheyne Eng. Malady iii. Introd. (1734) 266 Of the Medicines, I have mention'd only the..extirpative ones.

Oxford English Dictionary