[adjective] entrusted with private information and the confidence of another; "a confidential secretary"
[adjective] (of information) given in confidence or in secret; "closet information"; "this arrangement must be kept confidential"; "their secret communications" Synonyms:closet, secret
[adjective] denoting confidence or intimacy; "a confidential approach"; "in confidential tone of voice"
[adjective] the level of official classification for documents next above restricted and below secret; available only to persons authorized to see documents so classified
