acquainted - definition and synonyms

adjective formal 

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/əˈkweɪntɪd/
  1. 1
    if two people are acquainted, they know each other, usually not very well
    get/become acquainted (=start to know someone by talking or doing something together):

    I’ll leave you two to get acquainted.

    be acquainted with someone:

    She had been briefly acquainted with him more than 20 years earlier.

  2. 2
    if you are acquainted with something, you know about it

    Are we all fully acquainted with the details of the case?