/ Dictionary / Index D downstairs: Meaning and Definition of Find definitions for: down•stairs Pronunciation: (adv., n.doun'stârz'adj.doun'stârz&sec), [key] — adv. down the stairs. to or on a lower floor. —adj. pertaining to or situated on a lower floor, esp. the ground floor. —n. the lower floor or floors of a building: The downstairs is being painted. the stairway designated for use by people descending: Don't try to go up the downstairs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: downstairs (Thesaurus) downstage downstate Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language