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

In the Philippines, the government asked officials to reduce electricity usage by taking the stairs instead of elevators. —Npr Staff, NPR, 7 Apr. 2026

So, while the dutiful reader is still turning over basic questions about the nature of witchcraft, the girls are already hurtling up the stairs and out of the basement, and Lucie is crossing paths with Isabelle, a hostile neighbor. —Kristen Roupenian, New Yorker, 6 Apr. 2026

The robots are capable of navigating stairs, stabilizing under pressure, and operating in unstructured environments that earlier industrial robots couldn’t handle. —Catherina Gioino, Fortune, 6 Apr. 2026

Operators had to manually throw switches and help load wheelchairs, since the old models only had stairs. —Maura Fox, San Diego Union-Tribune, 6 Apr. 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