nondisclosure agreement

noun

: an agreement in which a person (such as an employee) agrees to keep information (such as a trade secret) confidential

… declined to name the victim companies, citing nondisclosure agreements it signed …

—John Markoff

called also confidentiality agreement, NDA

Examples of nondisclosure agreement in a Sentence

Recent Examples on the Web

The newlyweds reportedly required guests to sign nondisclosure agreements, a type of legal document requiring confidentiality, when receiving their invitations. — Melina Khan, USA Today, 6 July 2026

Variety reported that attendees were asked to sign nondisclosure agreements so that certain elements of the event didn't leak to the public. — Wesley Stenzel, Entertainment Weekly, 4 July 2026

Guests were reportedly required to sign nondisclosure agreements before receiving any event details (although the NDAs were said not to have included any penalties for violating the terms). — Karen Garcia, Los Angeles Times, 3 July 2026

Guests, vendors and security have all reportedly signed nondisclosure agreements and won’t be allowed to take cameras or cell phones into the event. — Mary Whitfill Roeloffs, Forbes.com, 1 July 2026

Word History

First Known Use

1959, in the meaning defined above

Rhymes for nondisclosure agreement

• disagreement