| Solution | Length | |
|---|---|---|
| 3 letters | ||
| flu | 3 | |
| 5 letters | ||
| YAWNY | 5 | |
| heavy | 5 | |
| vapid | 5 | |
| harsh | 5 | |
| palls | 5 | |
| 6 letters | ||
| boring | 6 | |
| tiring | 6 | |
| trying | 6 | |
| 7 letters | ||
| killing | 7 | |
| weighty | 7 | |
| onerous | 7 | |
| irksome | 7 | |
| tedious | 7 | |
| wearing | 7 | |
| 8 letters | ||
| grinding | 8 | |
| BORESOME | 8 | |
| GRUELING | 8 | |
| tiresome | 8 | |
| WEARIFUL | 8 | |
| TOILSOME | 8 | |
| draining | 8 | |
| 9 letters | ||
| wearisome | 9 | |
| stressful | 9 | |
| punishing | 9 | |
| tyrannous | 9 | |
| straining | 9 | |
| FATIGUING | 9 | |
| 10 letters | ||
| exhausting | 10 | |
| OPPRESSIVE | 10 | |
| BURDENSOME | 10 | |
| stuporific | 10 | |
| 11 letters | ||
| fatiguesome | 11 | |
| 14 letters | ||
| OVERBURDENSOME | 14 | |
| 19 letters | ||
| stupefyingly-boring | 19 | |