unbacked

from WordNet (r) 3.0 (2006)

unbacked
    adj 1: unsupported by other people [syn: {single-handed},
           {unassisted}, {unbacked}]

from The Collaborative International Dictionary of English v.0.48

Unbacked \Un*backed"\, a.
   1. Never mounted by a rider; unbroken. "Unbacked colts."
      --Shak.
      [1913 Webster]

   2. Not supported or encouraged; not countenanced; unaided.
      --Daniel.
      [1913 Webster]