stair

noun

ˈster 

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

The students are lined up in their hundreds− across the student center mezzanine, down the stairs and out into the hot Florida Spring of the quadrangle. — Will Carless, USA Today, 10 July 2026

The stairs lead to a gym, a changing room, a game room, a large outdoor terrace, and classrooms with computers. — Annalisa Merelli, STAT, 10 July 2026

Unlike more overtly depressive takes on this role, Bos’ Hamlet is impetuous and sardonic, often bounding up three stairs in a single step and unspooling his words, words, words as if his mouth can’t keep up with his restless mind. — Emily McClanathan, Chicago Tribune, 9 July 2026

Weight-bearing activities — brisk walking, climbing stairs, dancing, strength training — signal to the body that the skeleton needs to stay dense and strong. — Matthew T. Drake, Fortune, 9 July 2026

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

Phrases Containing stair

• stair climber
• stair climbing
• stair stepper

Rhymes for stair

• air
• ayre
• bahr
• bare
• blare
• care
• chair
• claire
• ere
• err
• eyre
• fair

Kids Definition

stair

noun

ˈsta(ə)r 

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