R1 - definition and synonyms

abbreviation 

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/ɑː(r)/
  1. 1
    are: used in emails and text messages

    RU free 2nite (=Are you free tonight?)

  2. 2
    American restricted: used in the US for saying that people under the age of 17 cannot go to a particular film unless they go with an adult
     Synonyms and related words