'exterminable' definitions:

Definition of 'exterminable'

(from WordNet)
adjective
Capable of being totally destroyed or wiped out [syn: exterminable, extirpable]

Definition of 'exterminable'

From: GCIDE
  • exterminable \exterminable\ adj. capable of being totally destroyed or wiped out.
  • Syn: extirpable. [WordNet 1.5]