/ Dictionary / Index W wakeless: Meaning and Definition of Find definitions for: wake•less Pronunciation: (wāk'lis), [key] — adj. (of sleep) sound; deep: He lay in wakeless sleep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wakeless (Thesaurus) Wake Island waken Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language