refrain - definition and synonyms

verb [intransitive] formal 

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/rɪˈfreɪn/
present tense
I/you/we/theyrefrain
he/she/itrefrains
present participlerefraining
past tenserefrained
past participlerefrained
  1. to stop yourself from doing something. This word is often used in official announcements or signs
    refrain from:

    Please refrain from smoking in this area.