Meaning of unbacked

un•backed

Pronunciation: (un-bakt'), [key]
— adj.
  1. without backing or support.
  2. not supported by bets: an unbacked challenger.
  3. not endorsed: an unbacked product.
  4. never having been mounted by a rider, as a horse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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