| 9 clues |
|---|
| Vigilance |
| State of caution |
| Wide-awake nature |
| Opposite of torpor |
| Sentry's attribute |
| Sentry's sine qua non |
| Modafinil increases it |
| Product of caffeine pills |
| Quality given by pep pills |
| Adealer |
| Adeptness |
| Adroitness |
| Airalert |
| Aler |
| Alerce |
| Alerces |
| Aleria |
| Alerion |
| Alero |
| Aleroflexsentra |
| Aleros |
| Alers |
| Alert |
| Alerta |
| Alertantbrigade |
| Alerte |
| Alerted |
| Alerter |
| Alertes |