nondisclosure agreement.Trade secrets. A contract or contractual provision containing a person’s promise not to disclose any information shared by or discovered from a trade-secret holder, including all information about trade secrets, procedures, or other internal matters. • Employees and some nonemployees, such as beta-testers and contractors, are frequently required to sign nondisclosure agreements. — Often shortened to nondisclosure. — Also termed confidentiality agreement.

[Blacks Law 8th]