| Digested (imp. & p. p.) of Digest |
| Sludge (n.) Mud |
| Sludge (n.) Small floating pieces of ice, or masses of saturated snow. |
| Sludge (n.) See Slime, 4. |
| sludge | the precipitate produced by sewage treatment |
| sludge slime goo goop gook guck gunk muck ooze | any thick, viscous matter |