Descriptive:
* The attic was filled with the musty smell of old books and forgotten toys.
* The old library had a musty aroma that clung to the air, a blend of aged paper and wood polish.
* After weeks of being closed, the house had a musty odor that needed airing out.
Figurative:
* Her ideas were musty and outdated, stuck in the past.
* The old man's memories were musty with the scent of his childhood.
* The company's marketing strategy was musty and ineffective, needing a fresh approach.
Humorous:
* My grandfather's jokes are so musty they're practically fossilized.
* The old furniture in the antique shop was so musty it felt like it was whispering secrets.
* After weeks of rain, the laundry had a distinct musty smell, making it a great conversation starter.