Wiktionary
grungier
a. (en-comparative of: grungy)
Usage examples of "grungier".
Dressed, made-up, even bedecked with jewelry, she looked so fine that had she not been well-known around the grungier end of the spaceport, she most certainly would have been mugged.
She was sweaty and sticky in her uniform and wondered how much grungier she would get.