Source : Webster's Revised Unabridged Dictionary (1913)

Blotchy \Blotch"y\, a.
   Having blotches.

Source : WordNet®

blotchy
     adj 1: marked with irregularly shaped spots or blots [syn: {blotched},
             {splotched}]
     2: marred by discolored spots or blotches; "blotchy skin"