Noah Webster's Dictionary (v. t.) To pluck up by the stem or root; to root out; to eradicate, to destroy wholly; as, to extirpate weeds; to extirpate a tumor; to extirpate a sect; to extirpate error or heresy.

Multi-Version Concordance Extirpate (1 Occurrence) Isaiah 10:7 But he meaneth not so, neither doth his heart think so; for it is in his heart to extirpate and cut off nations not a few. (DBY)