资料来源 : Webster's Revised Unabridged Dictionary (1913)

Musty \Mus"ty\, a. [Compar. {Mustier}; superl. {Mustiest}.]
   [From L. mustum must; or perh. fr. E. moist. Cf. {Must}, n.,
   {Moist}.]
   1. Having the rank, pungent, offencive odor and taste which
      substances of organic origin acquire during warm, moist
      weather; foul or sour and fetid; moldy; as, musty corn;
      musty books. --Harvey.

   2. Spoiled by age; rank; stale.

            The proverb is somewhat musty.        --Shak.

   3. Dull; heavy; spiritless. ``That he may not grow musty and
      unfit for conversation.'' --Addison.

资料来源 : WordNet®

musty
     adj 1: covered with or smelling of mold; "moldy bread"; "a moldy
            (or musty) odor" [syn: {moldy}, {mouldy}]
     2: stale and unclean smelling [syn: {fusty}, {frowsty}]
     [also: {mustiest}, {mustier}]

mustiest
     See {musty}