open-eyed Synonyms

wakeful vigilant argus-eyed tenty wary surprised supercurious sleepless sharp regardful ready quick-sighted perceptive watchful wide-awake unsleeping on the watch on the lookout on guard on the ball wide-eyed hypervigilant hyperalert all ears enthralled sharp-eyed overcurious observing observant chary cautious careful aware awake attentive astounded alive alert agog acute circumspect conscious mindful mesmerized lidless intrigued interested intent hypnotized heedful