uninterested

uninterested
    adj 1: not having or showing interest; "an uninterested
           spectator" [ant: {interested}]
    2: having no care or interest in knowing; "she appeared totally
       uninterested"
    

Uninterested \Un*in"ter*est*ed\, a.
   1. Not interested; not having any interest or property in;
      having nothing at stake; as, to be uninterested in any
      business.
      [1913 Webster]

   2. Not having the mind or the passions engaged; as,
      uninterested in a discourse or narration.
      [1913 Webster]
    

74 Moby Thesaurus words for "uninterested":
      Laodicean, Olympian, aloof, apathetic, ataractic, benumbed, blah,
      blase, bored, bored stiff, bored to death, bored to tears,
      careless, casual, comatose, desensitized, detached, devil-may-care,
      disinterested, dispassionate, disregardful, distant, dull,
      easygoing, heartless, hebetudinous, heedless, hopeless, impassive,
      in a stupor, inattentive, incurious, indifferent, inexcitable,
      insouciant, lackadaisical, languid, lethargic, listless, mindless,
      negligent, nonchalant, numb, numbed, passive, perfunctory,
      phlegmatic, pluckless, pococurante, reckless, regardless, remote,
      resigned, slack, sluggish, soporific, spiritless, spunkless, stoic,
      stolid, stupefied, stuporous with boredom, supine, torpid,
      turned-off, unanxious, uncaring, unconcerned, undiscriminating,
      uninquiring, uninvolved, unmindful, unsolicitous, withdrawn