| Solution | Length | |
|---|---|---|
| 5 letters | ||
| stony | 5 | |
| still | 5 | |
| quiet | 5 | |
| rocky | 5 | |
| stoic | 5 | |
| 6 letters | ||
| steady | 6 | |
| vacant | 6 | |
| stolid | 6 | |
| wooden | 6 | |
| remote | 6 | |
| smooth | 6 | |
| waning | 6 | |
| 7 letters | ||
| stoical | 7 | |
| deadpan | 7 | |
| removed | 7 | |
| dryeyed | 7 | |
| subdued | 7 | |
| restful | 7 | |
| unmoved | 7 | |
| 8 letters | ||
| REPOSING | 8 | |
| reserved | 8 | |
| secluded | 8 | |
| UNLOVING | 8 | |
| straight | 8 | |
| retiring | 8 | |
| reticent | 8 | |
| SOULLESS | 8 | |
| tranquil | 8 | |
| 9 letters | ||
| UNMINDFUL | 9 | |
| shrinking | 9 | |
| apathetic | 9 | |
| repressed | 9 | |
| unfeeling | 9 | |
| unruffled | 9 | |
| reposeful | 9 | |
| sheltered | 9 | |
| subsiding | 9 | |
| quiescent | 9 | |
| withdrawn | 9 | |
| 10 letters | ||
| UNINVOLVED | 10 | |
| SUPPRESSED | 10 | |
| restrained | 10 | |
| untroubled | 10 | |
| spiritless | 10 | |
| phlegmatic | 10 | |
| regardless | 10 | |
| 11 letters | ||
| STANDOFFISH | 11 | |
| UNFLAPPABLE | 11 | |
| UNCONCERNED | 11 | |
| emotionless | 11 | |
| uncongenial | 11 | |
| UNTOUCHABLE | 11 | |
| unemotional | 11 | |
| UNDISTURBED | 11 | |
| SEQUESTERED | 11 | |
| UNPERTURBED | 11 | |
| 12 letters | ||
| unresponsive | 12 | |
| uninterested | 12 | |
| 13 letters | ||
| unimpassioned | 13 | |
| unsympathetic | 13 | |
| uninquisitive | 13 | |
| unsusceptible | 13 | |
| 14 letters | ||
| unaffectionate | 14 | |
| UNAPPROACHABLE | 14 | |
| 15 letters | ||
| UNDEMONSTRATIVE | 15 | |