1. covered with or full of dust
2. dull grayish in color, like dust
3. old-fashioned or outdated
Usage: informal

Examples

• The old books on the shelf were dusty from years of neglect.
• She wiped the dusty table with a damp cloth.
• The desert road was dusty and difficult to travel.
• He wore a dusty blue shirt to the meeting.
• The professor’s dusty theories were no longer relevant.
• After the construction work, everything in the house was dusty.