Synonyms of confidential

Adjective

1. confidential, private (vs. public)

usage: entrusted with private information and the confidence of another; "a confidential secretary"

2. confidential, secret, private (vs. public)

usage: (of information) given in confidence or in secret; "this arrangement must be kept confidential"; "their secret communications"

3. confidential, close (vs. distant)

usage: denoting confidence or intimacy; "a confidential approach"; "in confidential tone of voice"

4. confidential, classified (vs. unclassified)

usage: the level of official classification for documents next above restricted and below secret; available only to persons authorized to see documents so classified

Definition and meaning of confidential (Dictionary)