- wakeful
- adj1. sleepless, awake, insomnious, restless; slumberless, wide-awake, unsleeping, insomno-lent, insomniac; waking, astir, up and about, conscious.2. watchful, vigilant, on the qui vive, on the alert, alert, on the lookout; open-eyed, wide-eyed, alive to, aware, sharp; wary, cautious, attentive, unblinking, unwinking, unnodding; observant, on guard, all eyes and ears, Inf. with one's eyes peeled; mindful, heedful, regardful, prudent, discreet, precautious, circumspect, chary.
A Note on the Style of the synonym finder. 2014.