| Solution | Length | |
|---|---|---|
| 4 letters | ||
| tall | 4 | |
| weak | 4 | |
| lame | 4 | |
| thin | 4 | |
| 5 letters | ||
| fishy | 5 | |
| thick | 5 | |
| 6 letters | ||
| remote | 6 | |
| 7 letters | ||
| ungodly | 7 | |
| suspect | 7 | |
| 8 letters | ||
| unlikely | 8 | |
| 9 letters | ||
| untenable | 9 | |
| unearthly | 9 | |
| 10 letters | ||
| COCKAMAMIE | 10 | |
| SUSPICIOUS | 10 | |
| ridiculous | 10 | |
| farfetched | 10 | |
| 11 letters | ||
| problematic | 11 | |
| unthinkable | 11 | |
| UNPROMISING | 11 | |
| Far-fetched | 11 | |
| 12 letters | ||
| unimaginable | 12 | |
| questionable | 12 | |
| preposterous | 12 | |
| unconvincing | 12 | |
| unbelievable | 12 | |
| 13 letters | ||
| PROBLEMATICAL | 13 | |