plus-one
or plus one
[ pluhs-wuhn ]
noun
a person who accompanies someone to a party or other event when the invitation allows the invited guest to bring another person: I phoned Tom to ask if he would be my plus-one at the gala.
Origin of plus-one
1First recorded in 1970–75
Words Nearby plus-one
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use plus-one in a sentence
The length should be the headsize measurement plus one-half inch.
Make Your Own Hats | Gene Allen Martin
British Dictionary definitions for plus-one
plus-one
noun
informal a person who accompanies an invited person to a social function
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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