| Solution | Length | |
|---|---|---|
| 3 letters | ||
| lax | 3 | |
| 4 letters | ||
| deaf | 4 | |
| 6 letters | ||
| stolid | 6 | |
| remiss | 6 | |
| 7 letters | ||
| unready | 7 | |
| unaware | 7 | |
| witless | 7 | |
| 8 letters | ||
| tactless | 8 | |
| heedless | 8 | |
| reckless | 8 | |
| unseeing | 8 | |
| 9 letters | ||
| withdrawn | 9 | |
| oblivious | 9 | |
| untactful | 9 | |
| UNWITTING | 9 | |
| unknowing | 9 | |
| unheedful | 9 | |
| unhelpful | 9 | |
| repressed | 9 | |
| thankless | 9 | |
| unhearing | 9 | |
| 10 letters | ||
| regardless | 10 | |
| UNINVOLVED | 10 | |
| unprepared | 10 | |
| unthinking | 10 | |
| turned off | 10 | |
| SUPPRESSED | 10 | |
| 11 letters | ||
| UNOBSERVANT | 11 | |
| unobserving | 11 | |
| UNCONCERNED | 11 | |
| unconscious | 11 | |
| thoughtless | 11 | |
| 12 letters | ||
| uninterested | 12 | |
| undiplomatic | 12 | |
| unthoughtful | 12 | |
| unsolicitous | 12 | |
| unsuspecting | 12 | |
| 13 letters | ||
| short-sighted | 13 | |
| uncooperative | 13 | |
| uninquisitive | 13 | |
| 14 letters | ||
| unappreciative | 14 | |
| 15 letters | ||
| unaccommodating | 15 | |
| 16 letters | ||
| undiscriminating | 16 | |