[adverb, noun doun-stairz; adjective doun-stairz]


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.

Nearby words

  1. downsize,
  2. downslide,
  3. downspin,
  4. downspout,
  5. downstage,
  6. downstate,
  7. downstream,
  8. downstroke,
  9. downswing,
  10. downtake

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 downstairs

British Dictionary definitions for downstairs



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

Word Origin and History for downstairs


adv., adj.

1590s, from down (adv.) + stairs (see stair).

Online Etymology Dictionary, © 2010 Douglas Harper