The Collaborative International Dictionary of English v.0.48:

Faded \Fad"ed\, a.
   That has lost freshness, color, or brightness; grown dim.
   "His faded cheek." --Milton.
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         Where the faded moon
         Made a dim silver twilight.              --Keats.
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The Collaborative International Dictionary of English v.0.48:

Fade \Fade\, v. i. [imp. & p. p. Faded; p. pr. & vb. n.
   Fading.] [OE. faden, vaden, prob. fr. fade, a.; cf. Prov.
   D. vadden to fade, wither, vaddigh languid, torpid. Cf.
   Fade, a., Vade.]
   1. To become fade; to grow weak; to lose strength; to decay;
      to perish gradually; to wither, as a plant.
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            The earth mourneth and fadeth away.   --Is. xxiv. 4.
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   2. To lose freshness, color, or brightness; to become faint
      in hue or tint; hence, to be wanting in color. "Flowers
      that never fade." --Milton.
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   3. To sink away; to disappear gradually; to grow dim; to
      vanish.
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            The stars shall fade away.            --Addison
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            He makes a swanlike end,
            Fading in music.                      --Shak.
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WordNet (r) 3.0 (2006):

faded
    adj 1: having lost freshness or brilliance of color; "sun-
           bleached deck chairs"; "faded jeans"; "a very pale
           washed-out blue"; "washy colors" [syn: bleached,
           faded, washed-out, washy]
    2: reduced in strength; "the faded tones of an old recording"
       [syn: attenuate, attenuated, faded, weakened]