| Solution | Length | |
|---|---|---|
| 4 letters | ||
| prim | 4 | |
| smug | 4 | |
| 5 letters | ||
| rigid | 5 | |
| stiff | 5 | |
| small | 5 | |
| 6 letters | ||
| strict | 6 | |
| stodgy | 6 | |
| stuffy | 6 | |
| 7 letters | ||
| puritan | 7 | |
| prudish | 7 | |
| staunch | 7 | |
| 8 letters | ||
| stubborn | 8 | |
| priggish | 8 | |
| rigorous | 8 | |
| puristic | 8 | |
| PURBLIND | 8 | |
| 9 letters | ||
| unbending | 9 | |
| victorian | 9 | |
| ROCKBOUND | 9 | |
| 10 letters | ||
| UNYIELDING | 10 | |
| UNGENEROUS | 10 | |
| relentless | 10 | |
| PROVINCIAL | 10 | |
| 11 letters | ||
| Sabbatarian | 11 | |
| puritanical | 11 | |
| straitlaced | 11 | |
| PROCRUSTEAN | 11 | |
| unrelenting | 11 | |
| 12 letters | ||
| shortsighted | 12 | |
| stiff-necked | 12 | |
| uncharitable | 12 | |
| small-minded | 12 | |
| 13 letters | ||
| sanctimonious | 13 | |
| STRAIGHTLACED | 13 | |
| 14 letters | ||
| UNCOMPROMISING | 14 | |