plus one

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plus one

Where it comes from

From guest lists reading “John Doe + 1” meaning “John Doe plus one (unspecified) guest”. Later generalized to invitations, particularly as an alternative to explicitly inviting both members of a couple: the invitee is welcome to bring a guest, be it a spouse, companion, date, friend, etc.

noun plus ones · +1 · plus-one

  1. A friend or partner whom one brings along to an event; a guest of a guest. I'm on the guestlist baby / Be my plus one

    Similar: companion, guest

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MLA

"plus one." Wiktionary, via Micwyn, micwyn.com/word/plus%20one. Accessed 6 Nov. 2026.

APA

plus one. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/plus%20one

Chicago

"plus one." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/plus%20one.

BibTeX
@misc{plus_one_2026,
  title = {plus one},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/plus%20one},
  urldate = {2026-11-06}
}