mustiness

noun
UK /ˈmʌstinəs/
US /ˈmʌstinəs/

Mustiness is the damp, old smell of a place that has not been cleaned or aired out.

The mustiness of the attic made us sneeze.


OTHER MEANINGS

2. The state of being old-fashioned or out of date.

There was a mustiness about the club's rules that younger members disliked.

3. A lack of freshness or liveliness in something.

The mustiness of his jokes made the audience groan.

4. The quality of smelling like a closed, unused room.

She opened the windows to clear the mustiness from the guest room.