soulless

soulless
    adj 1: lacking sensitivity or the capacity for deep feeling
    

Soulless \Soul"less\, a.
   Being without a soul, or without greatness or nobleness of
   mind; mean; spiritless.
   [1913 Webster]

         Slave, souless villain, dog!             --Shak.
   [1913 Webster]
    

65 Moby Thesaurus words for "soulless":
      abiotic, affectless, anesthetized, arctic, autistic, azoic, blunt,
      catatonic, chill, chilly, cold, cold as charity, cold-blooded,
      coldhearted, cool, dispassionate, drugged, dull, dumb,
      emotionally dead, emotionless, exanimate, frigid, frosted, frosty,
      frozen, heartless, icy, immovable, impassible, impassive,
      inanimate, inanimated, inert, inexcitable, insensate, insensible,
      insentient, insusceptible, lifeless, mute, nonconscious,
      nonemotional, nonliving, objective, obtuse, out of touch,
      passionless, self-absorbed, senseless, spiritless, unaffectionate,
      unanimated, unconscious, unemotional, unfeeling, unimpassioned,
      unimpressionable, unloving, unpassionate, unresponding,
      unresponsive, unsusceptible, unsympathetic, untouchable