: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And that’s not even counting Taylor Swift’s presence in the plus-one box. Matt Donnelly, Variety, 13 Jan. 2025 Bring along your best friend or mentor to your favorite outdoor spot and allow the natural world to help you (and your plus-one) feel revived and relaxed. Bonus: Do Nothing! Emily Cegielski, Flow Space, 11 Jan. 2025 He’s told an expedition leader named Alexander Fancher of their plans to join them and doesn’t want to bring any plus-ones to the party. Keith Phipps, Vulture, 9 Jan. 2025 Timothée Chalamet bringing Bob Dylan as his plus-one? Glenn Whipp, Los Angeles Times, 6 Jan. 2025 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

Dictionary Entries Near plus-one

Cite this Entry

“Plus-one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plus-one. Accessed 18 Jan. 2025.

Last Updated: - Updated example sentences
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