Laxi Dictionary

American Dictionary

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Definition plus one in American English

plus one noun

[countable] noun
/ˌplʌs ˈwʌn/
1

an additional guest that an invited guest can bring to a social event

Example

Keep the plus ones in mind when you are adding up your guest list.

Example

Thanks for making me your plus one to the best day ever.

Synonyms and related words
guest guest of honor visitor
Definition plus one in American English