stair

noun

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 stairsLewis 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.
Snag cordless stick models, robot vacuums, and handheld versions that are ideal for stairs and cars. Rachel Trujillo, PEOPLE, 26 Oct. 2025 Jerome said small changes—such as parking further away from your destination or taking the stairs instead of the elevator—also add up and count toward your overall daily activity. Cyra-Lea Drummond, Verywell Health, 24 Oct. 2025 Someone has spray-painted a rash of stars in circles up the stairs. David Wingrave, Harpers Magazine, 24 Oct. 2025 Be aware that there are also some stairs along the tour route. Megan Dubois, Southern Living, 23 Oct. 2025 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 26 Oct. 2025.

Kids Definition

stair

noun
ˈsta(ə)r How to pronounce stair (audio)
ˈste(ə)r
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

More from Merriam-Webster on stair

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!