Source : Webster's Revised Unabridged Dictionary (1913)

Shiny \Shin"y\, a. [Compar. {Shinier}; superl. {Shiniest}.]
   Bright; luminous; clear; unclouded.

         Like distant thunder on a shiny day.     --Dryden.

Source : WordNet®

shiny
     adj 1: reflecting light; "glistening bodies of swimmers"; "the
            horse's glossy coat"; "lustrous auburn hair"; "saw the
            moon like a shiny dime on a deep blue velvet carpet";
            "shining white enamel" [syn: {glistening}, {glossy}, {lustrous},
             {sheeny}, {shining}]
     2: having a shiny surface or coating; "glazed fabrics"; "glazed
        doughnuts" [syn: {glazed}] [ant: {unglazed}]
     3: made smooth and bright by or as if by rubbing; reflecting a
        sheen or glow; "bright silver candlesticks"; "a burnished
        brass knocker"; "she brushed her hair until it fell in
        lustrous auburn waves"; "rows of shining glasses"; "shiny
        black patents" [syn: {bright}, {burnished}, {lustrous}, {shining}]
     4: abounding with sunlight; "a bright sunny day"; "one shining
        norming"- John Muir; "when it is warm and shiny" [syn: {bright},
         {shining}, {sunshiny}, {sunny}]
     [also: {shiniest}, {shinier}]

shinier
     See {shiny}