| Solution | Length | |
|---|---|---|
| 4 letters | ||
| EVEN | 4 | |
| calm | 4 | |
| cool | 4 | |
| 5 letters | ||
| quiet | 5 | |
| stoic | 5 | |
| clear | 5 | |
| suave | 5 | |
| still | 5 | |
| SOBER | 5 | |
| 6 letters | ||
| steady | 6 | |
| smooth | 6 | |
| serene | 6 | |
| waning | 6 | |
| SEDATE | 6 | |
| stable | 6 | |
| silent | 6 | |
| placid | 6 | |
| stolid | 6 | |
| 7 letters | ||
| regular | 7 | |
| unmoved | 7 | |
| uniform | 7 | |
| restful | 7 | |
| 8 letters | ||
| tranquil | 8 | |
| unbroken | 8 | |
| secluded | 8 | |
| REPOSING | 8 | |
| 9 letters | ||
| robotlike | 9 | |
| steadfast | 9 | |
| subsiding | 9 | |
| collected | 9 | |
| temperate | 9 | |
| UNVARYING | 9 | |
| quiescent | 9 | |
| sheltered | 9 | |
| untouched | 9 | |
| reposeful | 9 | |
| 10 letters | ||
| uninspired | 10 | |
| UNCHANGING | 10 | |
| untroubled | 10 | |
| UNAFFECTED | 10 | |
| SYSTEMATIC | 10 | |
| 11 letters | ||
| unimpressed | 11 | |
| UNFLAPPABLE | 11 | |
| UNPERTURBED | 11 | |
| SEQUESTERED | 11 | |
| undeviating | 11 | |
| UNDISTURBED | 11 | |
| 12 letters | ||
| UNCHANGEABLE | 12 | |
| 13 letters | ||
| imperturbable | 13 | |
| unimpassioned | 13 | |
| 14 letters | ||
| self contained | 14 | |
| self-possessed | 14 | |
| COOLASAQCUMBER | 14 | |
| 15 letters | ||
| coolasacucumber | 15 | |
| 16 letters | ||
| undifferentiated | 16 | |