| Rating | Solver | Clue |
|---|---|---|
| ALERT | Vigilant | |
| WAKEFUL | Vigilant | |
| WARY | Vigilant | |
| WATCHDOG | Vigilant guard | |
| ARGUS | Vigilant watcher | |
| WATCHES | Observes vigilant guards | |
| WATCHFUL | Vigilant or alert | |
| VIGILANTLY | In a vigilant manner. | |
| JEALOUS | Zealous; solicitous; vigilant; anxiously watchful. | |
| WARD | To be vigilant; to keep guard. | |
| OPEN-EYED | With eyes widely open; watchful; vigilant. | |
| AWARE | Watchful; vigilant or on one's guard against danger or difficulty. | |
| HEEDFUL | Full of heed; regarding with care; cautious; circumspect; attentive; vigilant. | |
| VIGILANCE | The quality or state of being vigilant; forbearance of sleep; wakefulness. | |
| UNWARY | Not vigilant against danger; not wary or cautious; unguarded; precipitate; heedless; careless. | |
| SLEEP | To be careless, inattentive, or uncouncerned; not to be vigilant; to live thoughtlessly. | |
| WATCH | To be attentive or vigilant; to give heed; to be on the lookout; to keep guard; to act as sentinel. | |
| CERBERUS | A monster, in the shape of a three-headed dog, guarding the entrance into the infernal regions, Hence: Any vigilant custodian or guardian, esp. if surly. | |