'Inexterminable' definitions:

Definition of 'inexterminable'

From: WordNet
adjective
Incapable of extermination or extirpation; "some weeds seem inextirpable" [syn: inexterminable, inextirpable]

Definition of 'Inexterminable'

From: GCIDE
  • Inexterminable \In`ex*ter"mi*na*ble\, a. [L. inexterminabilis. See In- not, and Exterminate.] Incapable of extermination. --Rush. [1913 Webster]