WordNet (r) 3.0 (2006):

wipe out
    v 1: use up (resources or materials); "this car consumes a lot
         of gas"; "We exhausted our savings"; "They run through 20
         bottles of wine a week" [syn: consume, eat up, use
         up, eat, deplete, exhaust, run through, wipe
         out]
    2: kill in large numbers; "the plague wiped out an entire
       population" [syn: eliminate, annihilate, extinguish,
       eradicate, wipe out, decimate, carry off]
    3: eliminate completely and without a trace; "The old values
       have been wiped out" [syn: wipe out, sweep away]
    4: remove from memory or existence; "The Turks erased the
       Armenians in 1915" [syn: erase, wipe out]
    5: mark for deletion, rub off, or erase; "kill these lines in
       the President's speech" [syn: kill, obliterate, wipe
       out]
    6: wipe out the effect of something; "The new tax effectively
       cancels out my raise"; "The `A' will cancel out the `C' on
       your record" [syn: cancel out, wipe out]

Moby Thesaurus II by Grady Ward, 1.0:

143 Moby Thesaurus words for "wipe out":
   KO, abate, abolish, abscind, absolve, amputate, annihilate, annul,
   ban, bar, black out, blast, bleach, blot, blot out, bob,
   bowdlerize, bump off, call off, cancel, clean, clean out, clean up,
   cleanse, clear out, clip, complete, croak, crop, cross out, cull,
   cut, cut away, cut off, cut out, decimate, declare a moratorium,
   dele, delete, delouse, depurate, deracinate, deterge, dispose of,
   do in, dock, drop the curtain, dry-clean, dust, dust off, efface,
   eliminate, end off, enucleate, eradicate, erase, except, excise,
   exclude, expunge, expurgate, exterminate, extinguish, extirpate,
   finalize, finish, fix, fold up, freshen, get, get it over,
   get over with, get through with, give the business,
   give the quietus, gun down, hit, ice, isolate, kayo, kibosh, kill,
   knock off, knock out, lay out, liquidate, lop, mutilate, nip,
   nullify, obliterate, off, pare, peel, perfect, pick out,
   polish off, prune, purge, purify, put paid to, raze, reform,
   remove, root out, root up, rub out, rule out, scavenge, scrag,
   scratch, scratch out, set apart, set aside, settle, shave, shear,
   shoot down, sponge, sponge out, spruce, stamp out, steam-clean,
   strike off, strike out, strip, strip off, sweep away, sweep out,
   sweeten, take care of, take off, take out, tidy, truncate, uproot,
   waste, whiten, wipe, wipe off, wipe up, write off, zap