The Collaborative International Dictionary of English v.0.48:

Misty \Mist"y\ (m[i^]st"[y^]), a. [Compar. Mistier
   (m[i^]st"[i^]*[~e]r); superl. Mistiest.] [AS. mistig. See
   Mist. In some senses misty has been confused with mystic.]
   1. Accompanied with mist; characterized by the presence of
      mist; obscured by, or overspread with, mist; as, a misty
      morning; misty weather; misty mountains; a misty
      atmosphere.
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   2. Obscured as if by mist; dim; obscure; clouded; as, misty
      sight; to peer into the misty future.
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            The more I muse therein [theology],
            The mistier it seemeth.               --Piers
                                                  Plowman.
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