confidential Meaning, Definition & Usage

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

WordNet

Con`fi*den"tial adjective
Etymology
Cf. F. confidentiel.
Definitions
  1. Enjoying, or treated with, confidence; trusted in; trustworthy; as, a confidential servant or clerk.
  2. Communicated in confidence; secret. "Confidential messages." Burke. McElrath.

Webster 1913