| Clue | Source | Date |
|---|---|---|
| Persists or continues with (5,2) | ||
| Persists with | Newsday | 01 Apr 2018 |
| Doesn't stop | Wall Street Journal | 09 Sep 2016 |
| Doesn't stop | New York Times | 17 Jan 2015 |
| Doesn't stop | ||
| Sticks to, as a task | ||
| Sticks to, as a task | ||
| Perseveres in | ||
| Doesn't stop | ||
| Doesn't stop | ||
| Is persistent with | ||
| Persists in doing | ||
| Persists |