| Solution | Length | |
|---|---|---|
| 3 letters | ||
| wan | 3 | |
| 4 letters | ||
| vain | 4 | |
| void | 4 | |
| weak | 4 | |
| 5 letters | ||
| unfit | 5 | |
| 6 letters | ||
| otiose | 6 | |
| feeble | 6 | |
| unable | 6 | |
| 7 letters | ||
| useless | 7 | |
| sterile | 7 | |
| 8 letters | ||
| UNSTURDY | 8 | |
| feckless | 8 | |
| impotent | 8 | |
| abortive | 8 | |
| 9 letters | ||
| toothless | 9 | |
| fruitless | 9 | |
| ofnoavail | 9 | |
| shiftless | 9 | |
| stillborn | 9 | |
| spineless | 9 | |
| UNADAPTED | 9 | |
| unendowed | 9 | |
| pointless | 9 | |
| 10 letters | ||
| UNAVAILING | 10 | |
| wishywashy | 10 | |
| unequipped | 10 | |
| UNTALENTED | 10 | |
| 11 letters | ||
| PURPOSELESS | 11 | |
| UNFORTUNATE | 11 | |
| superfluous | 11 | |
| unavailable | 11 | |
| UNQUALIFIED | 11 | |
| 12 letters | ||
| unprofitable | 12 | |
| UNSUCCESSFUL | 12 | |
| UNPRODUCTIVE | 12 | |
| 15 letters | ||
| unauthoritative | 15 | |