Musty

Part of speech: adjective (a.)

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.