1. most dirty, grimy, or shabby in appearance
Usage: superlative form of dingy

Examples

• The basement was the dingiest room in the entire house.
• She chose the dingiest apartment because it was all she could afford.
• The dingiest corner of the library hadn’t been cleaned in months.
• His white shirt had become the dingiest piece of clothing in his wardrobe.
• The dingiest alley in the city was finally scheduled for renovation.
• Among all the hotel rooms, theirs was definitely the dingiest.