/ Dictionary / Index W wake-up: Meaning and Definition of Find definitions for: wake-up Pronunciation: (wāk'up"), [key] — n. an act or instance of waking up. an act or instance of being awakened: I asked the hotel desk for a wake-up at 6. a time of awaking or being awakened: I'll need a 5 o'clock wake-up to make the early plane. flicker. —adj. serving to wake one from sleep: Leave a wake-up call at the front desk. serving to arouse or excite: a wake-up call on the problems of pollution. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wake-up (Thesaurus) wake-robin Waksman 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