Definition of "downstairs" []

• Down the stairs: raced my friend downstairs. (adverb)
• To or on a lower floor: waited downstairs while her parents were getting dressed. (adverb)
• The lower or main floor. (noun)
• Located on a lower or main floor. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The downstairs is a pile, the office is a pit, the Christmas tree needs to come down, the bathroom is all but invisible under the mildew, and the kitchen is an indistinguishable heap of winter coats and surface clutter ... but my bedroom is clean!"
• "We were in downstairs in the cellar where I was on a piano, Paul was on the harmonium or vice versa, and we were both playing at the same time."
• "The dining space downstairs is a bit dark and grungy."