- wide-awake
- adj1. fully awake, open-eyed, up and about, up.2. watchful, vigilant, alert, observant, on the lookout; aware, wary, on the job, attentive; sleepless, unblinking, unsleeping, unnodding; keen, astute, sharp, quick, smart, bright; clear-witted, quick-witted, nimble, alive, Inf. on one's toes, Sl. on the ball.
A Note on the Style of the synonym finder. 2014.