[1] : The Collaborative International Dictionary of English v.0.48

extirpate \ex"tirpate\ ?; 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
see also:
extirpated extirpating 

[2] : WordNet (r) 2.0

extirpate
     v 1: destroy completely, as if down to the roots; "the vestiges
          of political democracy were soon uprooted" syn: uproot,
           eradicate, exterminate
     2: pull up by or as if by the roots; "uproot the vine that has
        spread all over the garden" syn: uproot, deracinate,
        root out
     3: surgically remove an organ
see also:
uproot eradicate exterminate deracinate root out 

[3] : Moby Thesaurus II by Grady Ward, 1.0

55 moby thesaurus words for "extirpate":
   abate, abolish, abscind, amputate, annihilate, ban, bar, blot, bob,
   clip, crop, cull, cut, cut away, cut off, cut out, deracinate,
   dock, eliminate, enucleate, eradicate, except, excise, exclude,
   exterminate, extinguish, isolate, knock off, liquidate, lop,
   mutilate, nip, pare, peel, pick out, prune, purge, remove,
   root out, root up, rule out, set apart, set aside, shave, shear,
   stamp out, strike off, strip, strip off, sweep away, take off,
   take out, truncate, uproot, wipe out

Extirpate >> E Words
Extirpate, definition of term: Extirpate
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