| Solution | Length | |
|---|---|---|
| 3 letters | ||
| nay | 3 | |
| sad | 3 | |
| shy | 3 | |
| coy | 3 | |
| 4 letters | ||
| prim | 4 | |
| meek | 4 | |
| smug | 4 | |
| 5 letters | ||
| shyly | 5 | |
| timid | 5 | |
| SOBER | 5 | |
| staid | 5 | |
| grave | 5 | |
| 6 letters | ||
| SEDATE | 6 | |
| somber | 6 | |
| formal | 6 | |
| solemn | 6 | |
| modest | 6 | |
| stuffy | 6 | |
| 7 letters | ||
| shyness | 7 | |
| scruple | 7 | |
| prudish | 7 | |
| serious | 7 | |
| weighty | 7 | |
| 8 letters | ||
| discreet | 8 | |
| timorous | 8 | |
| reserved | 8 | |
| retiring | 8 | |
| skittish | 8 | |
| downcast | 8 | |
| priggish | 8 | |
| 9 letters | ||
| shrinking | 9 | |
| stickling | 9 | |
| victorian | 9 | |
| UNSMILING | 9 | |
| 10 letters | ||
| thoughtful | 10 | |
| shamefaced | 10 | |
| STAMMERING | 10 | |
| 11 letters | ||
| vacillation | 11 | |
| respectable | 11 | |
| puritanical | 11 | |
| straitlaced | 11 | |
| stone-faced | 11 | |
| reservation | 11 | |
| 12 letters | ||
| stiff-necked | 12 | |
| 13 letters | ||
| dispassionate | 13 | |
| sanctimonious | 13 | |
| 14 letters | ||
| self-conscious | 14 | |
| straight-faced | 14 | |