| Solution | Length | |
|---|---|---|
| 3 letters | ||
| wet | 3 | |
| mad | 3 | |
| 4 letters | ||
| zany | 4 | |
| dumb | 4 | |
| daft | 4 | |
| dopy | 4 | |
| 5 letters | ||
| silly | 5 | |
| inane | 5 | |
| crazy | 5 | |
| dopey | 5 | |
| nutty | 5 | |
| wacky | 5 | |
| sappy | 5 | |
| 6 letters | ||
| absurd | 6 | |
| screwy | 6 | |
| stupid | 6 | |
| crazed | 6 | |
| oafish | 6 | |
| insane | 6 | |
| simple | 6 | |
| 7 letters | ||
| lunatic | 7 | |
| asinine | 7 | |
| fatuous | 7 | |
| witless | 7 | |
| foolish | 7 | |
| erratic | 7 | |
| 8 letters | ||
| demented | 8 | |
| crackpot | 8 | |
| aberrant | 8 | |
| RETARDED | 8 | |
| 9 letters | ||
| senseless | 9 | |
| brainless | 9 | |
| SUBNORMAL | 9 | |
| 10 letters | ||
| unthinking | 10 | |
| 11 letters | ||
| sentimental | 11 | |
| thoughtless | 11 | |
| Broken-down | 11 | |
| 12 letters | ||
| SIMPLEMINDED | 12 | |
| preposterous | 12 | |
| unreasonable | 12 | |
| 13 letters | ||
| crack-brained | 13 | |