Musty (adjective)

1. Having a damp, stale smell or taste.
2. Having an old, stale smell or taste.

Origin:

From the middle english word "musty", meaning damp or stale.

Examples:

1. The old attic had a musty smell from years of disuse.
2. The book had a musty smell, as if it had been stored in a damp place.
3. The basement had a musty smell, indicating mold or mildew.
4. The wine had a musty taste, indicating it was not stored properly.
5. The old house had a musty smell, indicating it had not been lived in for a long time.