| Clue | Source | Date |
|---|---|---|
| Strenuous task | Wall Street Journal | 23 Feb 2022 |
| Extremely strenuous task | Wall Street Journal | 25 Feb 2019 |
| Extremely strenuous task | ||
| Straw, to a camel? | USA Today | 05 Jan 2015 |
| Straw, to a camel? | ||
| Straw, to a camel? | ||
| Torturous task | ||
| Final straw or move in 62-Across | ||
| Straw, to a camel? | ||
| Straw, to a camel? | ||
| The last straw | ||
| Torturous task | ||
| Exhausting task |