/ Dictionary / Index D dreamless: Meaning and Definition of Find definitions for: dream•less Pronunciation: (drēm'lis), [key] — adj. undisturbed by dreams: a sound and dreamless sleep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dreamless (Thesaurus) dreamland dream merchant Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language