upstairs
Americanadverb
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up the stairs; to or on an upper floor.
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Informal. in the mind.
to be a little weak upstairs.
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to or at a higher level of authority.
You may have to take the matter upstairs.
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Military Slang. at or to a higher level in the air.
adjective
noun
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(usually used with a singular verb) an upper story or stories; the part of a building or house that is above the ground floor.
The upstairs of this house is entirely rented.
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a higher command or level of authority.
We can't take action till we have approval from upstairs.
idioms
adverb
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up the stairs; to or on an upper floor or level
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informal to or into a higher rank or office
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informal in the mind
a little weak upstairs
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informal to promote to a higher rank or position, esp one that carries less power
noun
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an upper floor or level
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( as modifier )
an upstairs room
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informal the masters and mistresses of a household collectively, esp of a large house Compare downstairs
Etymology
Origin of upstairs
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A large basement space has been outfitted with several beds, while an upstairs room features bunk beds.
From MarketWatch • May 27, 2026
I’m not in a bad mood or anything, but we have two apartments, so when we get up, Hugh goes downstairs and I have my morning upstairs.
From The Wall Street Journal • May 25, 2026
I had been welcomed into Sir Alex Ferguson's room upstairs at Old Trafford many times when he was United's manager and it was the same when he retired.
From BBC • May 15, 2026
“To go to the source script has been very interesting, because while there are references to bedrooms and the boys being upstairs, Miller doesn’t describe a naturalistic setting,” Mantello said.
From Los Angeles Times • May 6, 2026
“Any interest in learning more about the Spirit of the Sea before you go upstairs, dear?”
From "The Wrong Way Home" by Kate O’Shaughnessy
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.