Dusty (adjective)

1. Covered in or full of dust.
2. Dry and powdery, as if covered in dust.
3. Outdated or old-fashioned.

Origin:

From middle english dusly, from old english dūsle ("dusty"), from dūst ("dust"). cognate with dutch dus ("dusty"), german duslig ("dusty").

Examples:

1. The books on the shelf were dusty.
2. The air was dusty from the construction.
3. The room was dusty and needed cleaning.
4. The road was dusty from the dry weather.
5. He has a dusty old car in the garage.