1
: a series of steps or flights of steps for passing from one level to another
—often used in plural but singular or plural in construction
… a narrow private stairs …—Lewis Mumford
2
: a single step of a stairway

Examples of stair in a Sentence

She ran down the stairs. He waited at the foot of the stairs. She slipped and fell down the stairs. The stairs lead to the roof. We had to climb another flight of stairs to get to the roof. He tripped on the bottom stair and almost fell.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Access to the two platforms is via escalators, a lift, or stairs, all well-signed and large enough to accommodate passenger volumes. — Sophia Dyer, Condé Nast Traveler, 12 Oct. 2026 As is the case for most kinds of robots, stairs were the one of the biggest issue for WorMa. — Maryna Holovnova, New Atlas, 12 Oct. 2026 With the help of bystanders, the deputies got Von Herbulis up the nearby stairs from the water to the dock. — Natasha Holt, FOXNews.com, 11 Oct. 2026 Most inhabitants of 10-story Lincoln Bay Towers just schlepped up and down the stairs to go about their daily lives, but that was impossible for some older residents. — Alex Harris, Miami Herald, 6 Oct. 2026 See All Example Sentences for stair

Word History

Etymology

Middle English steir, from Old English stǣger; akin to Old English & Old High German stīgan to rise, Greek steichein to walk

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of stair was before the 12th century

Browse Nearby Words

Cite this Entry

“Stair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stair. Accessed 14 Oct. 2026.

Kids Definition

1
: a series of steps or flights of steps for passing from one level to another
—often used in plural
ran down the stairs
2
: one step of a stairway

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