first floor
Americannoun
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the ground floor of a building.
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the floor above the ground floor of a building.
noun
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US and Canadian term: second floor. the floor or storey of a building immediately above the ground floor
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another term for ground floor
Etymology
Origin of first floor
First recorded in 1655–65
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.
The Smiths have a primary-bedroom suite on the first floor.
From The Wall Street Journal ● Jul. 17, 2026
The first floor has items from the young Obama's life, including a cast of his handprint.
From Barron's ● Jun. 4, 2026
"It has its own pond and a lift from the very bottom floor that takes you up to the first floor," she added.
From BBC ● May 30, 2026
Meanwhile, we stay on the first floor with the baby while he practices upstairs on the second floor.
From MarketWatch ● May 4, 2026
At lunchtime, armed with measuring tapes, clipboards, and pencils, they’d covered the first floor, checking even unlikely places.
From "Chasing Vermeer" by Blue Balliett
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.
