/ Dictionary / Index W wakeful: Meaning and Definition of Find definitions for: 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. See also: wakeful (Thesaurus) Wakefield Wake Island Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language