| Clue | Source | Date |
|---|---|---|
| Soil is black, say, except initially round the edge | The Times Cryptic | 08 Mar 2024 |
| Ask for poem, say, and muck it up | ||
| Smudge heavily | The Washington Post | 25 Dec 2016 |
| Make dirty | ||
| Cover with smut | ||
| Make filthy | ||
| Make filthy | ||
| Soil | ||
| Soil | ||
| Sully. | ||
| Soil. |