1. comparative form of dusty; more covered with or containing dust

Examples

• The attic was dustier than I expected after years of neglect.
• This old book is dustier than the others on the shelf.
• The road became dustier as we drove further into the desert.
• Her apartment was dustier after the construction work next door.
• The basement storage room grew dustier each month.
• The antique furniture looked dustier under the bright lights.