Word.ws English Dictionary

seatmate

seatmate noun: one who shares a seat (such as a bench or other surface that seats more than one).

seatmate: one who shares a seat (such as a bench or other surface that seats more than one)
Image: Si Griffiths, CC BY-SA 3.0, via Wikimedia Commons

Noun

seatmate (plural seatmates)

  1. One who shares a seat (such as a bench or other surface that seats more than one).
  2. One who sits next to another.
    • My seatmate on the airplane snored incessantly.
    • The Buzzis' older son, Rocco, and I had been high school buddies, then roommates at BU, seatmates at Sox games.2008, Wally Lamb, The Hour I First Believed, Ch.1, at p.15

Examples of seatmate in a sentence

  • Last month, the cryptographer and coder known as Moxie Marlinspike was getting settled on an airplane when his seatmate, a Midwestern-looking man in his sixties, asked for help.2020 February 14, Andy Greenberg, “Signal Is Finally Bringing Its Secure Messaging to the Masses”, in Wired:
  • Several years ago, I was sitting on a flight to San Francisco, when my seatmate, a man a little older than me, struck up a conversation.2021 January 14, Arthur C. Brooks, “Find the Place You Love. Then Move There.”, in The Atlantic:

Forms of seatmate

pluralseatmates

Origin of seatmate

From seat + -mate.

Questions about seatmate

What does seatmate mean?
Seatmate means one who shares a seat (such as a bench or other surface that seats more than one).
How do you use seatmate in a sentence?
Last month, the cryptographer and coder known as Moxie Marlinspike was getting settled on an airplane when his seatmate, a Midwestern-looking man in his sixties, asked for help.
What part of speech is seatmate?
Seatmate is a noun.
What is the plural of seatmate?
The plural of seatmate is seatmates.

Words near seatmate in the dictionary

  1. seating times
  2. seatings
  3. seatless
  4. seatlessness
  5. seatlike
  6. seatmate
  7. seatmates
  8. seatment
  9. seatments
  10. seatmile
  11. seatmiles

Source and license

Adapted from Wiktionary: seatmate (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “seatmate.” Word.ws, https://word.ws/seatmate. Based on Wiktionary, CC BY-SA 4.0.