Dusty/ˈdʌsti/ Definition 1 of 4Pro Tip 1/2Neglected Spaces Use 'dusty' to describe areas that are not cleaned often, showing neglect or abandonment. The attic was dusty and dark, untouched for years. Pro Tip 2/2Time's Effect 'Dusty' can imply something hasn't been used or touched for a long time. She found a dusty, forgotten trophy behind the old boxes.