| Solution | Length | |
|---|---|---|
| 3 letters | ||
| odd | 3 | |
| for | 3 | |
| 4 letters | ||
| rare | 4 | |
| 5 letters | ||
| upset | 5 | |
| treat | 5 | |
| risky | 5 | |
| swift | 5 | |
| stray | 5 | |
| boons | 5 | |
| quick | 5 | |
| 6 letters | ||
| popsup | 6 | |
| noshow | 6 | |
| sudden | 6 | |
| speedy | 6 | |
| unique | 6 | |
| ironic | 6 | |
| cameon | 6 | |
| abrupt | 6 | |
| 7 letters | ||
| unusual | 7 | |
| CROPSUP | 7 | |
| 8 letters | ||
| UNWONTED | 8 | |
| UNLOCKED | 8 | |
| uncaused | 8 | |
| shocking | 8 | |
| uncommon | 8 | |
| surprise | 8 | |
| sporadic | 8 | |
| 9 letters | ||
| unnatural | 9 | |
| darkhorse | 9 | |
| startling | 9 | |
| unguessed | 9 | |
| recherche | 9 | |
| 10 letters | ||
| UNHERALDED | 10 | |
| UNFORESEEN | 10 | |
| surprising | 10 | |
| unfamiliar | 10 | |
| unheard-of | 10 | |
| unordinary | 10 | |
| 11 letters | ||
| precipitous | 11 | |
| unhoped for | 11 | |
| uncustomary | 11 | |
| unpredicted | 11 | |
| precipitant | 11 | |
| precipitate | 11 | |
| sui generis | 11 | |
| UNANNOUNCED | 11 | |
| 12 letters | ||
| unbelievable | 12 | |
| UNACCUSTOMED | 12 | |
| unimaginable | 12 | |
| unthought of | 12 | |
| UNDETERMINED | 12 | |
| UNLOOKED FOR | 12 | |
| undreamed of | 12 | |
| outoftheblue | 12 | |
| 13 letters | ||
| UNANTICIPATED | 13 | |
| unforeseeable | 13 | |
| unaccountable | 13 | |
| unintentional | 13 | |
| unpredictable | 13 | |
| 14 letters | ||
| OUTOFLEFTFIELD | 14 | |