Adjective musty has 2 senses
- moldy, mouldy, musty - covered with or smelling of mold; "moldy bread"; "a moldy (or musty) odor"
Antonym: fresh (indirect, via stale)
- fusty, musty, frowsty - stale and unclean smelling
Antonym: fragrant (indirect, via malodorous)
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