(adj) the level of official classification for documents next above restricted and below secret; available only to persons authorized to see documents so classified
Confidential communication (Law) See Privileged communication, under Privileged. -- Confidential creditors, those whose claims are of such a character that they are entitled to be paid before other creditors. -- Confidential debts, debts incurred for borrowed money, and regarded as having a claim to be paid before other debts. McElrath. [ 1913 Webster ]