confidential meaning and definition

CONFIDENTIAL adjective

Definition of confidential (adjective)

1. entrusted with private information and the confidence of another
   • "a confidential secretary"
2. (of information) given in confidence or in secret
   • "this arrangement must be kept confidential"; "their secret communications"
   • synonyms: secret
3. denoting confidence or intimacy
   • "a confidential approach"; "in confidential tone of voice"
4. the level of official classification for documents next above restricted and below secret; available only to persons authorized to see documents so classified