You searched for: “dustiest
dusty (adjective), dustier, dustiest
Filled or covered with a small layer of fine dirt: Solomon pulled dusty candlesticks from the shelves in the dusty basement.

James and Kimberly had to drive down the dustiest road they had ever seen to get to the home of their aunt and uncle.

This entry is located in the following unit: English Words in Action, Group D (page 6)