| Answer | Crossword Clue |
|---|---|
| scummy | covered with scum, dirty, unpleasant |
| scummiest | SCUMMY, covered with scum, dirty, unpleasant |
| scummier | SCUMMY, covered with scum, dirty, unpleasant |
| STAGNANT | Covered with pond scum, perhaps |
| grimy | covered with grime; dirty |
| grimier | covered with grime; dirty |
| griminess | full of or covered with grime dirty |
