/ Dictionary / Index S sleepwalk: Meaning and Definition of Find definitions for: sleep•walk Pronunciation: (slēp'wôk"), [key] — v.i. to engage in sleepwalking. —n. an act of sleepwalking; somnambulation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sleepwalk (Thesaurus) sleep-wake cycle sleepwalking Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language