Definition of "confidential" []

• Done or communicated in confidence; secret. (adjective)
• Entrusted with the confidence of another: a confidential secretary. (adjective)
• Denoting confidence or intimacy: a confidential tone of voice. (adjective)
• Containing information, the unauthorized disclosure of which poses a threat to national security. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Because keeping the supply chain confidential is so important to buyers, they try to impose confidentiality on their suppliers."
• "Informants give you information in the public interest and say that their career, liberty or life depend on keeping their name confidential."
• "Obeid said the SPLM violated provisions of the CPA by signing what he described as confidential agreements with the U.S. government."