wide-awake Synonyms

unsleeping keeping a weather eye on waking vigilant spirited sleepless sharp regardful ready quick prompt open-eyed wakeful wary watchful tenty on the lookout on the job on the alert on guard on the ball insomniac hypervigilant hyperalert broad awake observant nimble lively careful broad bright aware awakened awake attentive argus-eyed alive alert active cautious circumspect keen interested insomnious heedful engrossed engaged eagle-eyed diligent designing