wakeful: Meaning and Definition of
wake•ful
Pronunciation: (wāk'ful), [key]
— adj.
- unable to sleep; not sleeping; indisposed to sleep: Excitement made the children wakeful.
- characterized by absence of sleep: a wakeful night.
- watchful; alert; vigilant: a wakeful foe.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.