wakeful: Meaning and Definition of

wake•ful

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