| Solution | Length | |
|---|---|---|
| 4 letters | ||
| slow | 4 | |
| vain | 4 | |
| worn | 4 | |
| weak | 4 | |
| soft | 4 | |
| 5 letters | ||
| stiff | 5 | |
| vapid | 5 | |
| passe | 5 | |
| spent | 5 | |
| tired | 5 | |
| slack | 5 | |
| jaded | 5 | |
| 6 letters | ||
| SAPPED | 6 | |
| wooden | 6 | |
| solemn | 6 | |
| infirm | 6 | |
| barren | 6 | |
| waning | 6 | |
| weakly | 6 | |
| wasted | 6 | |
| stodgy | 6 | |
| stuffy | 6 | |
| 7 letters | ||
| used-up | 7 | |
| useless | 7 | |
| unmanly | 7 | |
| sterile | 7 | |
| wasting | 7 | |
| wornout | 7 | |
| sliding | 7 | |
| tedious | 7 | |
| rubbery | 7 | |
| SAPLESS | 7 | |
| sinking | 7 | |
| 8 letters | ||
| decadent | 8 | |
| unstrung | 8 | |
| Worn-out | 8 | |
| precious | 8 | |
| run-down | 8 | |
| decrepit | 8 | |
| weakened | 8 | |
| slipping | 8 | |
| unnerved | 8 | |
| timeworn | 8 | |
| 9 letters | ||
| WORSENING | 9 | |
| spineless | 9 | |
| tasteless | 9 | |
| exhausted | 9 | |
| Worn away | 9 | |
| withering | 9 | |
| subsiding | 9 | |
| 10 letters | ||
| ANTIQUATED | 10 | |
| spiritless | 10 | |
| UNAVAILING | 10 | |
| unfruitful | 10 | |
| retrograde | 10 | |
| REGRESSIVE | 10 | |
| 11 letters | ||
| superficial | 11 | |
| 12 letters | ||
| strengthless | 12 | |
| 13 letters | ||
| RETROGRESSIVE | 13 | |