Dustiest

from The Collaborative International Dictionary of English v.0.48
dusty \dust"y\ (d[u^]st"[y^]), a. [Compar. {Dustier}
   (d[u^]st"[i^]*[~e]r); superl. {Dustiest}
   (d[u^]st"[i^]*[e^]st).] [AS. dystig. See {Dust}.]
   1. Filled, covered, or sprinkled with dust; clouded with
      dust; as, a dusty table; a dusty attic; also, reducing to
      dust.
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            And all our yesterdays have lighted fools
            The way to dusty death.               --Shak.
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   2. Like dust; of the color of dust; as, a dusty white.
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   {Dusty miller} (Bot.), a plant ({Cineraria maritima}); -- so
      called because of the ashy-white coating of its leaves.
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