plus one

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See also: +1 and plus-one

English[edit]

Alternative forms[edit]

Etymology[edit]

From the custom of inviting (for example) "John Doe plus one" to an event, if John Doe is unmarried but is welcome to bring a friend or date.

Noun[edit]

plus one ‎(plural plus ones)

  1. A friend or date whom one brings along to an event.