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seatmate

American

[seet-meyt] / ˈsitˌmeɪt /

noun

a person who shares a seat or occupies the seat next to oneself on a bus, plane, etc.

Etymology

Origin of seatmate

An Americanism dating back to 1855–60; seat + mate ¹

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.

See Examples For:

seatmate

Immediately after sitting down, my seatmate informed me that we were rooting for green and blue, and the other team was our mortal enemies.

From Los Angeles Times ● Apr. 10, 2026

That seatmate turned out to be Jean-Louis Dumas, then the chief executive of Hermès.

From The Wall Street Journal ● Oct. 9, 2025

Meanwhile, Mr Davis’ seatmate Toby Pearl, from Wales, was providing CPR to a passenger who was unconscious.

From BBC ● May 28, 2024

On the flight to Nashville, my seatmate, a nurse and a practicing Catholic, clocking my reading material, confessed her love for Kingsbury.

From New York Times ● Mar. 29, 2024

I certainly didn’t want to offend my seatmate by using the wrong fork.

From "Facing the Lion" by Joseph Lemasolai Lekuton and Herman Viola

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023