| Solution | Length | |
|---|---|---|
| 5 letters | ||
| stoic | 5 | |
| hardy | 5 | |
| tough | 5 | |
| 6 letters | ||
| strong | 6 | |
| sturdy | 6 | |
| supple | 6 | |
| 7 letters | ||
| protean | 7 | |
| toughen | 7 | |
| ductile | 7 | |
| stretch | 7 | |
| springy | 7 | |
| elastic | 7 | |
| rubbery | 7 | |
| 8 letters | ||
| volatile | 8 | |
| variable | 8 | |
| stretchy | 8 | |
| unstable | 8 | |
| yielding | 8 | |
| vigorous | 8 | |
| 9 letters | ||
| transient | 9 | |
| resistent | 9 | |
| 10 letters | ||
| RESPONSIVE | 10 | |
| TRANSITORY | 10 | |
| 12 letters | ||
| recalcitrant | 12 | |
| repercussive | 12 | |