<p><strong>Adjective</strong></p><ul><li>spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.</li><li>indicating confidence or intimacy; imparting private matters: a confidential tone of voice.</li><li>having another's trust or confidence; entrusted with secrets or private affairs: a confidential secretary.</li><li>(of information, a document, etc.) bearing the classification confidential, usually being above restricted and below secret.</li><li>limited to persons authorized to use information, documents, etc., so classified.</li></ul>