to plus-one
plus
plʌswʌn
plasvan
one

Definition & Meaning of "plus-one"in English

to plus-one
01

an guest who is the friend of someone who is invited 

Grammatical Information
Composition
Compound
Action verb
Regular
Present tense
plus-one
3rd person singular
plus-ones
Present participle
plus-oneing
Past simple
plus-oned
Past participle
plus-oned
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