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downstairs

[ adverb, noun doun-stairz; adjective doun-stairz ]
/ adverb, noun ˈdaʊnˈstɛərz; adjective ˈdaʊnˌstɛərz /
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adverb
down the stairs.
to or on a lower floor.
adjective
Also downstair . pertaining to or situated on a lower floor, especially the ground floor.
noun
(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.
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Origin of downstairs

First recorded in 1590–1600; down1 + stair + -s3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use downstairs in a sentence

British Dictionary definitions for downstairs

downstairs
/ (ˈdaʊnˈstɛəz) /

adverb
down the stairs; to or on a lower floor
noun
  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
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