| observant(adjective, attention, alert, careful, caring) |
| on guard(expression, adjective, alert, careful, cautious) |
| on the ball(expression, adjective, idiom, alert, careful) |
| on the job(expression, adjective, idiom, alert, careful) |
| on the lookout(expression, adjective, idiom, alert, considerate) |
| on the qui vive(expression, adjective, idiom, alert, careful) |
| on the watch(expression, adjective, idiom, ready, attention) |
| open-eyed(adjective, attention, alert, careful, cautious) |
| plaited(verb, fastened) |
| preoccupied(adjective, attention, considerate, responsive, aware) |
| prepared(adjective, ready, alert, careful, cautious) |
| ready(adjective, alert, careful, cautious, attentive) |
| regardful(adjective, attention, considerate, responsive, aware) |
| see after(expression, adjective, ready, alert, careful) |
| see to(expression, adjective, ready, alert, careful) |
| sewed(verb, fastened) |
| stringed(verb, fastened) |
| strung(adjective, bound) |
| stuck on(verb, expression, adjective, phrasal verb, resinous) |
| stuck up(verb, phrasal verb) |