: 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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Yet, according to reports, the couple is reigniting a long-standing debate about plus-ones at weddings. Teresa Mull, FOXNews.com, 13 June 2026 Mariska Hargitay brings her son August Miklos Friedrich Hermann as her plus-one to The Gymnasts of Fisherman Colony premiere at Tribeca Festival in New York City on June 8. Brendan Le, PEOPLE, 11 June 2026 Two weeks later, actress Amanda Seyfried was the pop star's plus-one to watch the Knicks lose to the Orlando Magic. Kathleen Perricone, Entertainment Weekly, 11 June 2026 Aubrey Plaza and her plus-one were glowing at the 2026 Tony Awards. Taijuan Moorman, USA Today, 8 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 15 Jun. 2026.

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