'Unbacked' definitions:

Definition of 'unbacked'

From: WordNet
adjective
Unsupported by other people [syn: single-handed, unassisted, unbacked]

Definition of 'Unbacked'

From: GCIDE
  • 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]