: 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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The actors – and Wong's plus-one, Bill Hader – had the good fortune of being escorted past the line for entry into the theater that snaked around the concession area. Kimi Robinson, USA TODAY, 18 Dec. 2024 Jelly Roll brought the cutest plus-one to the Los Angeles premiere of Sonic the Hedgehog 3. Emma Aerin Becker, People.com, 17 Dec. 2024 Taye Diggs had an extra special plus-one last night! Hannah Sacks, People.com, 10 Dec. 2024 According to a statement, Airbnb will accept requests to book the no-cost experience, then select two groups of eight guests, each of whom will be allowed a plus-one. Sonja Anderson, Smithsonian Magazine, 21 Nov. 2024 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 8 Jan. 2025.

Last Updated: - Updated example sentences
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