watchful Synonyms

observant heedful circumspect sleepless vigilant attentive insomniac wakeful alert cautious solicitous surveillant vigilance beady-eyed parental sharp patrolled perceptive precautious protective sheltering prudent quick-sighted regardful waker wary unsleeping overprotective on the lookout on the job on the alert on one's toes on guard on the ball all ears leery apperceptive keen-eyed basketeer on the qui vive sharp-eyed wide-awake watchman on one's guard overcautious expectant enrapt eagle-eyed discreet defensive