extirpate

Verb

Synonyms: uproot eradicate root out exterminate deracinate

WordNet 3.0

Verb (3)

destroy completely, as if down to the roots“the vestiges of political democracy were soon uprooted" "root out corruption”Synonyms: uproot eradicate root out exterminate
pull up by or as if by the roots“uproot the vine that has spread all over the garden”Synonyms: uproot deracinate root out
surgically remove (an organ)

Webster's Dictionary (GCIDE)

Extirpate \Ex"tir*pate\ (?; 277), 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.

Syn: To eradicate; root out; destroy; exterminate; annihilate; extinguish. [1913 Webster]