Adjective confidential has 4 senses
  1. confidential - entrusted with private information and the confidence of another; "a confidential secretary"
    Antonym:
    public (indirect, via private)
  2. closet, confidential, secret - (of information) given in confidence or in secret; "closet information"; "this arrangement must be kept confidential"; "their secret communications"
    Antonym: public (indirect, via private)
  3. confidential - denoting confidence or intimacy; "a confidential approach"; "in confidential tone of voice"
    Antonym:
    distant (indirect, via close)
  4. confidential - the level of official classification for documents next above restricted and below secret; available only to persons authorized to see documents so classified
    Antonym:
    unclassified (indirect, via classified)
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