impersonate - definition and synonyms

verb [transitive] 

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present tense
present participleimpersonating
past tenseimpersonated
past participleimpersonated
  1. 1
    to pretend to be someone else by copying the way that they look, speak, or behave in order to trick people

    It’s a very serious offence to impersonate a police officer.

  2. 2
    to copy the way someone speaks and behaves in order to make people laugh