/ Dictionary / Index S sundown: Meaning and Definition of Find definitions for: sun•down Pronunciation: (sun'doun"), [key] — n. sunset, esp. the time of sunset. —v.i. to experience confusion or hallucinations at night as a result of strange surroundings, drug effects, decreased sensory input, or reduction of oxygen supply to the brain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sundown (Thesaurus) sundog sundowner Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language