- having an odor or flavor suggestive of mold, as old buildings, long-closed rooms, or stale food.
- obsolete; outdated; antiquated: musty laws.
- dull; apathetic.
- (formerly) a kind of snuff having a musty flavor.
- smelling or tasting old, stale, or mouldy
- old-fashioned, dull, or hackneyed
