Foggiest

from The Collaborative International Dictionary of English v.0.48

Foggy \Fog"gy\, a. [Compar. {Foggier}; superl. {Foggiest}.]
   [From 4th {Fog}.]
   1. Filled or abounding with fog, or watery exhalations;
      misty; as, a foggy atmosphere; a foggy morning. --Shak.
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   2. Beclouded; dull; obscure; as, foggy ideas.
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            Your coarse, foggy, drowsy conceit.   --Hayward.
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