uninvolved

from WordNet (r) 3.0 (2006)

uninvolved
    adj 1: not involved; "being uninvolved he remained objective"
           [ant: {involved}]
    2: showing lack of emotional involvement; "adopted a degage pose
       on the arm of the easy chair"- J.S.Perelman; "she may be
       detached or even unfeeling but at least she's not
       hypocritically effusive"; "an uninvolved bystander" [syn:
       {degage}, {detached}, {uninvolved}]

from The Collaborative International Dictionary of English v.0.48

Uninvolved \Uninvolved\
   See {involved}.

from Moby Thesaurus II by Grady Ward, 1.0

67 Moby Thesaurus words for "uninvolved":
      Laodicean, afoot and lighthearted, aloof, apathetic, at large,
      at liberty, bored, careless, centrist, clear, detached, disengaged,
      disinterested, distant, easygoing, emancipated, even, fifty-fifty,
      footloose, footloose and fancy-free, free, free and easy,
      free as air, freeborn, freed, go-as-you-please, half-and-half,
      heedless, impartial, impassive, in the clear, incomplex, incurious,
      independent, indifferent, insouciant, liberated, listless, loose,
      midway, mindless, moderate, neuter, neutral, nonaligned,
      noncommitted, nonpartisan, on the fence, on the loose, passive,
      phlegmatic, regardless, released, scot-free, stolid,
      straightforward, third-force, third-world, unattached, uncommitted,
      uncomplicated, unconcerned, unengaged, uninquiring, uninterested,
      unmindful, withdrawn