plus-one

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noun \ ˈpləs-ˈwən \

Definition of plus-one

: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

First Known Use of plus-one

1977


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of yeast or being unsettled or frivolous

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