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wakeful definition

wake·ful (wāk′fəl)

adjective

  1. keeping awake; not sleeping
  2. alert; watchful; vigilant
    1. unable to sleep
    2. sleepless a wakeful night

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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