vigilant Synonyms

careful wary watchful on the qui vive circumspect observant aware open-eyed wakeful argus-eyed alert provident prudent waking vigilantly vigilance surveillant sleepless sheltering sharp sentinel quick-sighted regardful ready reactive waker on one's guard wakesome unsleeping overprotective on the lookout on the job on guard all ears patrilineal leery beady-eyed keen-eyed sharp-eyed wide-awake watchman not missing a trick protective enrapt eagle-eyed defensive custodial conservational conscious close