| Clue | Source | Date |
|---|---|---|
| Saps strength from | ||
| Enfeebles | The Telegraph Quick | 08 Jul 2024 |
| Becomes less strong | ||
| Flags, having no strong points (7) | ||
| Loses strength | Universal | 27 Nov 2023 |
| Loses strength | The Washington Post | 08 Jun 2020 |
| Loses strength | LA Times Daily | 08 Jun 2020 |
| Grows less strong | The Telegraph Quick | 04 May 2018 |
| Saps of strength | Universal | 19 Feb 2018 |
| Saps of strength | ||
| Saps | Wall Street Journal | 15 Jun 2015 |
| Subverts | Canadiana | 05 Jan 2015 |
| Enervates | ||
| Waters down | ||
| Loses strength | ||
| Loses strength | ||
| Saps | ||
| Enervates | ||
| Waters down | ||
| Eases off | ||
| Saps | ||
| Undermines | ||
| Enervates | ||
| Saps |