[ adverb, noun doun-stairz; adjective doun-stairz ]
/ adverb, noun ˈdaʊnˈstɛərz; adjective ˈdaʊnˌstɛərz /


to or on a lower floor.


Also down·stair. pertaining to or situated on a lower floor, especially the ground floor.


(used with a singular verb) 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.

Origin of downstairs

First recorded in 1590–1600; down1 + stair + -s3 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for downstair

  • At last I saw that there was a small pane of glass gone in one of the downstair windows.

  • He failed, however, to find it in any of the downstair sitting-rooms.

    Cripps, the Carrier|R. D. (Richard Doddridge) Blackmore
  • It was seven o'clock when she arrived home again, and Edith Franks was waiting for her in the downstair hall.

    The Time of Roses|L. T. Meade
  • Phœbe Smith and her husband Sam lived in one of the downstair rooms.

    Two Suffolk Friends|Francis Hindes Groome

British Dictionary definitions for downstair


/ (ˈdaʊnˈstɛəz) /


down the stairs; to or on a lower floor


  1. a lower or ground floor
  2. (as modifier)a downstairs room
British informal, old-fashioned the servants of a household collectivelyCompare upstairs (def. 6)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012