v. t. [ imp. & p. p. Extirpated p. pr. & vb. n. Extirpating ] [ L. extirpatus, exstirpatus, p. p. of extirpare, exstirpare; ex out + strips stock, stem, root. ] To pluck up by the stem or root; to root out; to eradicate, literally or figuratively; to destroy wholly; as, to extirpate weeds; to extirpate a tumor; to extirpate a sect; to extirpate error or heresy.