| Solution | Length | |
|---|---|---|
| 3 letters | ||
| icy | 3 | |
| nix | 3 | |
| bar | 3 | |
| ban | 3 | |
| 4 letters | ||
| grim | 4 | |
| dour | 4 | |
| deny | 4 | |
| veto | 4 | |
| save | 4 | |
| tabu | 4 | |
| rule | 4 | |
| 5 letters | ||
| repel | 5 | |
| debar | 5 | |
| taboo | 5 | |
| stern | 5 | |
| check | 5 | |
| 6 letters | ||
| severe | 6 | |
| vetoed | 6 | |
| hinder | 6 | |
| reject | 6 | |
| refuse | 6 | |
| 7 letters | ||
| austere | 7 | |
| repress | 7 | |
| inhibit | 7 | |
| ominous | 7 | |
| prevent | 7 | |
| 8 letters | ||
| denounce | 8 | |
| unlawful | 8 | |
| prohibit | 8 | |
| suppress | 8 | |
| shut out | 8 | |
| verboten | 8 | |
| disallow | 8 | |
| ward off | 8 | |
| rule out | 8 | |
| preclude | 8 | |
| 9 letters | ||
| interdict | 9 | |
| stave off | 9 | |
| unallowed | 9 | |
| proscribe | 9 | |
| 10 letters | ||
| prohibited | 10 | |
| UNLICENSED | 10 | |
| turn aside | 10 | |
| 11 letters | ||
| UNTOUCHABLE | 11 | |
| 12 letters | ||
| unsanctioned | 12 | |
| unauthorized | 12 | |