: 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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Kyra Sedgwick brings her son Travis Bacon as her plus-one to the Carolina Caroline premiere in Los Angeles on May 28. People Staff, PEOPLE, 31 May 2026 Initially, United proposed a two-year contract with a plus-one option, but that additional clause is not part of the final agreement. Laurie Whitwell, New York Times, 24 May 2026 Heather Locklear brought Lorenzo Lamas as her plus-one to her daughter's wedding this weekend. Janelle Ash, FOXNews.com, 19 May 2026 Who can grab it, and who is the plus-one in a relationship? Rosy Cordero, Deadline, 11 May 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 2 Jun. 2026.

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