| Clue | Source | Date |
|---|---|---|
| Become or make gradually less? (5,3) | ||
| Slowly diminish | Universal | 28 Sep 2022 |
| Lessen gradually | Wall Street Journal | 05 Mar 2018 |
| Diminish posh person with interruption by mimic | The Telegraph Toughie | 11 May 2016 |
| Decrease gradually | ||
| Gradually decline | ||
| Diminish | ||
| Stop gradually. |