Fustiest

from The Collaborative International Dictionary of English v.0.48

Fusty \Fusty\, a. [Compar. {Fustier}; superl. {Fustiest}.] [See
   {2d Fust}.]
   1. Moldy; musty; ill-smelling; rank. "A fusty nut." "Fusty
      plebeians." --Shak.
      [1913 Webster]

   2. Moping. [Archaic]
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            A melancholy, fusty humor.            --Pepys.
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