seat·​mate | \ ˈsēt-ˌmāt How to pronounce seatmate (audio) \

Definition of seatmate

: one with whom one shares a seat (as in a vehicle with double or paired seats)

Examples of seatmate in a Sentence

My seatmate on the flight to Rome was very friendly.

Recent Examples on the Web

The tables did not, however, hinder the guests from mingling—attendees either leaned across them to engage with their seatmates, or walked around to converse and dance. Charlotte Diamond, Vogue, "Telfar Hosts a Southern, Family-Style Dinner at The Standard," 14 Feb. 2019 The male seatmate was soon revealed to be Euan Holden, a former professional soccer player who became known as #PlaneBae through the social media frenzy. Janine Puhak, Fox News, "‘Pretty plane girl’ slams passenger for sharing ‘false’ viral ‘Plane bae’ story to Twitter without consent," 15 July 2018 For people who are living with cancer, the side effect of hair loss can be an emotional experience, and comments like those from Joey's airplane seatmate could be extremely hurtful. De Elizabeth, Teen Vogue, "Joey King Says an Airplane Passenger Thought She Had Cancer Because of Her Shaved Head," 18 Nov. 2018 On June 10, a week after setting the Plane Bae viral phenomenon in motion, Rosey Blair issued a bizarre apology to Helen, the woman whose in-flight flirtation with her seatmate Blair documented without consent. Alex Abad-santos, Vox, "Rosey Blair, the #PlaneBae matchmaker, apologizes for invading a woman’s privacy," 11 July 2018 An Oklahoma mom has a new hero after she was rescued from a body shaming seatmate on a flight to Chicago. Julie Mazziotta,, "Kind Airline Passenger Rescues Woman Called a 'Smelly Fatty' by Seatmate," 17 May 2018 As the flight continued, Blair began documenting every interaction the new seatmates had. Alex Abad-santos, Vox, "Plane Bae: how an in-flight matchmaker broke the internet," 6 July 2018 Delta referenced an incident last year where a passenger was reportedly attacked by a seatmate’s emotional support dog on a flight leaving Atlanta. Lauren Zumbach,, "American Airlines bans emotional support amphibians, ferrets, goats and more," 14 May 2018 Except, in this case: Helen’s new seatmate (his name would later be revealed to be Euan) was … hot! Megan Garber, The Atlantic, "#PlaneBae and the Slow Death of Whimsy," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seatmate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seatmate

1859, in the meaning defined above

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Dictionary Entries near seatmate

seating plan

sea titling



seat mile


sea toad

Statistics for seatmate

Last Updated

14 Mar 2019

Look-up Popularity

Time Traveler for seatmate

The first known use of seatmate was in 1859

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English Language Learners Definition of seatmate

US : a person who sits next to you on a bus, airplane, etc.

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Rhyming Dictionary: Words that rhyme with seatmate

Comments on seatmate

What made you want to look up seatmate? Please tell us where you read or heard it (including the quote, if possible).


grandiloquent, ostentatious, or bombastic

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