| Solution | Length | |
|---|---|---|
| 3 letters | ||
| wet | 3 | |
| 4 letters | ||
| dumb | 4 | |
| vain | 4 | |
| 5 letters | ||
| wacky | 5 | |
| silly | 5 | |
| trite | 5 | |
| sappy | 5 | |
| windy | 5 | |
| vapid | 5 | |
| inane | 5 | |
| thick | 5 | |
| 6 letters | ||
| screwy | 6 | |
| stupid | 6 | |
| simple | 6 | |
| slight | 6 | |
| 7 letters | ||
| witless | 7 | |
| puerile | 7 | |
| vacuous | 7 | |
| moronic | 7 | |
| sottish | 7 | |
| trivial | 7 | |
| idiotic | 7 | |
| slender | 7 | |
| SWINISH | 7 | |
| 8 letters | ||
| imbecile | 8 | |
| ungulate | 8 | |
| trifling | 8 | |
| sheepish | 8 | |
| ruminant | 8 | |
| 9 letters | ||
| senseless | 9 | |
| 10 letters | ||
| irrational | 10 | |
| 11 letters | ||
| unteachable | 11 | |
| WRONGHEADED | 11 | |
| sentimental | 11 | |
| thoughtless | 11 | |
| superficial | 11 | |
| 12 letters | ||
| preposterous | 12 | |
| 15 letters | ||
| Stupid or silly | 15 | |