confidential
/kənˈfɪdɪʃəl/Definitions
1. adjective
kept secret or private; not disclosed or communicated to others
“The company’s confidential documents were stolen from its headquarters.”
2. noun
information or material that is kept secret or private
“The confidential information was leaked to the press by a whistleblower.”
3. verb
to keep secret or private; to conceal or withhold information
“The journalist chose to confidentially report the sensitive information.”