| Solution | Length | |
|---|---|---|
| 3 letters | ||
| shy | 3 | |
| sly | 3 | |
| coy | 3 | |
| dim | 3 | |
| and | 3 | |
| 4 letters | ||
| cold | 4 | |
| kept | 4 | |
| cool | 4 | |
| seat | 4 | |
| hard | 4 | |
| 5 letters | ||
| stiff | 5 | |
| onice | 5 | |
| short | 5 | |
| terse | 5 | |
| speak | 5 | |
| tight | 5 | |
| taken | 5 | |
| timid | 5 | |
| spare | 5 | |
| staid | 5 | |
| saved | 5 | |
| aloof | 5 | |
| SOBER | 5 | |
| quiet | 5 | |
| 6 letters | ||
| BOOKED | 6 | |
| remote | 6 | |
| SEDATE | 6 | |
| demure | 6 | |
| silent | 6 | |
| pruned | 6 | |
| frigid | 6 | |
| solemn | 6 | |
| modest | 6 | |
| narrow | 6 | |
| 7 letters | ||
| private | 7 | |
| removed | 7 | |
| bashful | 7 | |
| indrawn | 7 | |
| spartan | 7 | |
| summary | 7 | |
| subdued | 7 | |
| 8 letters | ||
| retained | 8 | |
| retiring | 8 | |
| specific | 8 | |
| setaside | 8 | |
| taciturn | 8 | |
| solitary | 8 | |
| wordless | 8 | |
| cautious | 8 | |
| succinct | 8 | |
| reticent | 8 | |
| UNSOCIAL | 8 | |
| standoff | 8 | |
| 9 letters | ||
| withdrawn | 9 | |
| unbending | 9 | |
| truncated | 9 | |
| spokenfor | 9 | |
| preserved | 9 | |
| INHIBITED | 9 | |
| bottledup | 9 | |
| secretive | 9 | |
| EARMARKED | 9 | |
| repressed | 9 | |
| shrinking | 9 | |
| qualified | 9 | |
| saturnine | 9 | |
| shortened | 9 | |
| 10 letters | ||
| speechless | 10 | |
| SUPPRESSED | 10 | |
| restrained | 10 | |
| UNSOCIABLE | 10 | |
| 11 letters | ||
| sententious | 11 | |
| uncongenial | 11 | |
| INTROVERTED | 11 | |
| STANDOFFISH | 11 | |
| 12 letters | ||
| BACKWARDNESS | 12 | |
| to the point | 12 | |
| 14 letters | ||
| self contained | 14 | |
| self-conscious | 14 | |
| self-possessed | 14 | |
| UNAPPROACHABLE | 14 | |
| 15 letters | ||
| UNCOMMUNICATIVE | 15 | |
| UNDEMONSTRATIVE | 15 | |