Sensitive Data

noun something that is kept or meant to be kept unknown or unseen by others

adjective not known or seen by others

• The company's new product launch was kept under strict secret until the official announcement.
• I can't tell you my secret recipe for the best chocolate chip cookies.
• I'll spill the tea on the latest secret gossip going around school.
• Her eyes held a secret sadness that no one else could see.

adjective not able to be disclosed or revealed

• The company's financial records contain undisclosable information that cannot be shared with the public.
• I heard a rumor about some undisclosable details regarding the new project.
• I can't tell you about that, it's undisclosable.
• Her emotions were undisclosable, hidden behind a mask of indifference.