Is “Dingier” a Scrabble word?
Yes
DINGIER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Dingier
adjective
1.Drab; shabby; dirty; squalid
Synonyms: dismal, drab, dreary, gloomy, grimy