| Answer | Crossword Clue |
|---|---|
| GOO | Guck or gunk |
| SLIME | Muck or guck |
| OOZE | Guck or muck |
| CRUD | Grunge or gunk |
| goop | goo or gunk |
| goops | GOOP, goo or gunk |
| gunky | of, pertaining to, characteristic of, or resembling gunk |
| gunkier | of, pertaining to, characteristic of, or resembling gunk |
| gunkiest | of, pertaining to, characteristic of, or resembling gunk |
