: a person who accompanies an invited guest to an event or gathering at which guests are allowed to bring a companion or partner
My husband twice received handsome engraved invitations to presidential dinners. For those events and many others, I was the perpetual plus-one.Ana Marie Cox

Examples of plus-one in a Sentence

Recent Examples on the Web
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To this point, Part B of the Giannis Antetokounmpo acquisition largely has gone overlooked, as in Bobby Portis, the plus-one in the agreement with the Milwaukee Bucks that will not become official until the July 6 opening of the NBA’s 2026-27 cap calendar. Ira Winderman, Sun Sentinel, 28 June 2026 The hardest part was breaking the news to his friend, David Wain, who was visiting from England to be McNicholas' plus-one. Juliana Kim, NPR, 26 June 2026 Sunday Rose has been following in her mom’s footsteps, even breaking Met Gala rules by making her debut at the 2026 event as Kidman’s plus-one. Lara Walsh, InStyle, 20 June 2026 Unsurprisingly, Burke was her plus-one for the movie's premiere. Laura Millar, PEOPLE, 20 June 2026 See All Example Sentences for plus-one

Word History

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of plus-one was in 1977

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Cite this Entry

“Plus-one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plus-one. Accessed 5 Jul. 2026.

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