nonpartizan

from WordNet (r) 3.0 (2006)

nonpartizan
    adj 1: free from party affiliation or bias [syn: {nonpartisan},
           {nonpartizan}] [ant: {partisan}, {partizan}]
    n 1: a person who is nonpartisan [syn: {nonpartisan},
         {nonpartizan}] [ant: {drumbeater}, {partisan}, {zealot}]

from The Collaborative International Dictionary of English v.0.48

nonpartizan \nonpartizan\ adj.
   1. same as {nonpartisan}, 1.

   Syn: nonpartisan.
        [WordNet 1.5] nonparty