Definition of "mustiness" [mus•ti•ness]

• The characteristic of being musty. (noun)

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• "But even if the place had been pitch black, I would have known by its smell—a mix of mustiness, dust, and paint—that I was in an old theater, the kind with worn gilt edges and heavy velvet curtains that hung a little longer each year."
• "The air is clean and damp; I breathe in great lungfuls of the lovely woodland mustiness, the warm earthiness that you find only here."
• "Upon unwrapping it recently, I thought I detected a hint of mustiness."