| alert(adjective, sharp, bright, lively, careful) |
| attentive(adjective, sharp, excite, bright, lively) |
| heedful(adjective, sharp, excite, bright, lively) |
| on the ball(expression, adjective, idiom, sharp, bright) |
| watchful(adjective, sharp, bright, lively, alert) |
| aware(adjective, alert, considerate, responsive, helpful) |
| careful(adjective, sharp, bright, lively, alert) |
| intent(adjective, excite, caring, thoughtful, considerate) |
| observant(adjective, sharp, bright, lively, alert) |
| on guard(expression, adjective, sharp, bright, lively) |
| on the job(expression, idiom, sharp, bright, lively) |
| on the lookout(expression, idiom, sharp, lively, careful) |
| open-eyed(adjective, sharp, alert, careful, cautious) |
| regardful(adjective, excite, considerate, responsive, aware) |
| vigilant(adjective, sharp, bright, lively, alert) |
| wary(adjective, sharp, bright, lively, alert) |
| agog |
| assiduous(considerate, responsive, helpful) |
| circumspect(adjective, sharp, bright, lively, alert) |
| guarded(adjective, alert, careful, thoughtful, cautious) |