World English Dictionary
informal a person who accompanies an invited person to a social function

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source's 21st Century Lexicon
Main Entry:  plus-one
Part of Speech:  n
Definition:  the guest of a person invited to an event
Example:  I will be attending the holiday party plus-one.
Etymology:  1977
Usage:  also plus-one, adj. "accompanied by a guest"
Main Entry:  plus-one
Part of Speech:  n
Definition:  See plus-one's 21st Century Lexicon
Copyright © 2003-2014, LLC
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature