Comparative form of grungy: more grungy(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "grungier" in a sentence
"I could have made it 'grungier' but then I'd have starved to death ... you get the idea, that should be enough:) for starting the whole Zombie theme off, and to"
"A creature of habit, she has started every day for the last 25 years with an ice-blended mocha that she picks up driving east from her house in the Hollywood Hills to her studio in a grungier section of Hollywood."
"A grungier fan favorite — for its giant platters of fried clams — is Dube's in Salem"