unhuman

from WordNet (r) 3.0 (2006)

unhuman
    adj 1: divested of human qualities or attributes [syn:
           {dehumanized}, {dehumanised}, {unhuman}]

from The Collaborative International Dictionary of English v.0.48

Unhuman \Un*hu"man\, a.
   Not human; inhuman.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

78 Moby Thesaurus words for "unhuman":
      Draconian, Tartarean, animal, anthropophagous, arcane, atrocious,
      barbaric, barbarous, beastly, bestial, bloodthirsty, bloody,
      bloody-minded, brutal, brutalized, brute, brutish, cannibalistic,
      cruel, cruel-hearted, demoniac, demoniacal, devilish, diabolic,
      eerie, esoteric, extramundane, extraterrestrial, fell, feral,
      ferocious, fey, fiendish, fiendlike, fierce, hellish, hypernormal,
      hyperphysical, infernal, inhuman, inhumane, murderous, mysterious,
      numinous, occult, otherworldly, preterhuman, preternatural,
      preternormal, pretersensual, psychic, ruthless, sadistic,
      sanguinary, sanguineous, satanic, savage, sharkish, slavering,
      spiritual, subhuman, superhuman, supernatural, supernormal,
      superphysical, supersensible, supersensual, supramundane,
      supranatural, transcendental, transmundane, truculent, unchristian,
      uncivilized, unearthly, unworldly, vicious, wolfish