Mus·ty a. [Compar. Mustier superl. Mustiest.]
1. Having the rank, pungent, offensive odor and taste which substances of organic origin acquire during warm, moist weather; foul or sour and fetid; moldy; as, musty corn; musty books.
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.”
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]