WordNet (r) 3.0 (2006):

nonaligned
    adj 1: not affiliated with any faction, party, or cause [ant:
           aligned]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "nonaligned":
   Laodicean, apathetic, autarchic, autarkic, autonomous, centrist,
   even, fifty-fifty, free-spirited, freewheeling, half-and-half,
   impartial, independent, indifferent, individualistic,
   inner-directed, midway, moderate, neuter, neutral, noncommitted,
   nonpartisan, on the fence, passive, self-contained, self-dependent,
   self-determined, self-directing, self-governed, self-governing,
   self-reliant, self-subsistent, self-sufficient, self-supporting,
   sovereign, third-force, third-world, uncommitted, uninvolved