The Collaborative International Dictionary of English v.0.48:

Discard \Dis*card"\, v. t. [imp. & p. p. Discarded; p. pr. &
   vb. n. Discarding.]
   1. (Card Playing) To throw out of one's hand, as superfluous
      cards; to lay aside (a card or cards).
      [1913 Webster]

   2. To cast off as useless or as no longer of service; to
      dismiss from employment, confidence, or favor; to
      discharge; to turn away.
      [1913 Webster]

            They blame the favorites, and think it nothing
            extraordinary that the queen should . . . resolve to
            discard them.                         --Swift.
      [1913 Webster]

   3. To put or thrust away; to reject.
      [1913 Webster]

            A man discards the follies of boyhood. --I. Taylor.

   Syn: To dismiss; displace; discharge; cashier.
        [1913 Webster]

WordNet (r) 3.0 (2006):

discarded
    adj 1: thrown away; "wearing someone's cast-off clothes";
           "throwaway children living on the streets"; "salvaged
           some thrown-away furniture" [syn: cast-off(a),
           discarded, throwaway(a), thrown-away(a)]