| Clue | Source | Date |
|---|---|---|
| Impediment, obstacle (9,5) | ||
| Obstacle or impediment to progress (9,5) | ||
| Son dropping plug causes obstruction (9-5) | ||
| Son dropping plug causes obstruction | The Telegraph Cryptic | 02 Feb 2024 |
| Impediment or obstacle (9,5) | ||
| Impediment to progress | USA Today | 22 Jan 2019 |
| Impediment to progress | ||
| *Progress preventer | New York Times | 17 Apr 2016 |
| Impediment | ||
| Obstacle | ||
| Obstacle |