| Solution | Length | |
|---|---|---|
| eyer | 4 | |
| wary | 4 | |
| 5 letters | ||
| leery | 5 | |
| alert | 5 | |
| awake | 5 | |
| 6 letters | ||
| active | 6 | |
| prompt | 6 | |
| 7 letters | ||
| onalert | 7 | |
| prudent | 7 | |
| wakeful | 7 | |
| heedful | 7 | |
| careful | 7 | |
| 8 letters | ||
| openeyed | 8 | |
| vigilant | 8 | |
| tutelary | 8 | |
| cautious | 8 | |
| 9 letters | ||
| ATTENTIVE | 9 | |
| expectant | 9 | |
| shielding | 9 | |
| REGARDFUL | 9 | |
| observant | 9 | |
| sleepless | 9 | |
| 10 letters | ||
| wide awake | 10 | |
| SHARP EYED | 10 | |
| SOLICITOUS | 10 | |
| SUSPICIOUS | 10 | |
| SHELTERING | 10 | |
| protective | 10 | |
| preventive | 10 | |
| 11 letters | ||
| CIRCUMSPECT | 11 | |
| 12 letters | ||
| PROPHYLACTIC | 12 | |