| Solution | Length | |
|---|---|---|
| 3 letters | ||
| set | 3 | |
| wan | 3 | |
| 4 letters | ||
| vain | 4 | |
| lame | 4 | |
| idle | 4 | |
| weak | 4 | |
| void | 4 | |
| tame | 4 | |
| 5 letters | ||
| waste | 5 | |
| unfit | 5 | |
| 6 letters | ||
| weenie | 6 | |
| futile | 6 | |
| unable | 6 | |
| virgin | 6 | |
| feeble | 6 | |
| wasted | 6 | |
| 7 letters | ||
| sterile | 7 | |
| ofnouse | 7 | |
| useless | 7 | |
| 8 letters | ||
| abortive | 8 | |
| trifling | 8 | |
| UNSTURDY | 8 | |
| UNTILLED | 8 | |
| unplowed | 8 | |
| 9 letters | ||
| stillborn | 9 | |
| fruitless | 9 | |
| spineless | 9 | |
| WORTHLESS | 9 | |
| ofnoavail | 9 | |
| UNADAPTED | 9 | |
| 10 letters | ||
| unfruitful | 10 | |
| UNAVAILING | 10 | |
| unequipped | 10 | |
| sucked dry | 10 | |
| 11 letters | ||
| unavailable | 11 | |
| PURPOSELESS | 11 | |
| UNFORTUNATE | 11 | |
| superfluous | 11 | |
| INOPERATIVE | 11 | |
| UNQUALIFIED | 11 | |
| INEFFECTIVE | 11 | |
| 12 letters | ||
| UNPRODUCTIVE | 12 | |
| UNCULTIVATED | 12 | |
| UNSUCCESSFUL | 12 | |
| 15 letters | ||
| unauthoritative | 15 | |