non-disclosure agreement
non-disclosure agreement — noun
1. a written legal agreement between two or more people or companies, in which each
a written legal agreement between two or more people or companies, in which each side promises not to share secret or private information with anyone outside the agreement
Before seeing the secret recipe, Sofia signed a non-disclosure agreement with the bakery's owner.
sign a non-disclosure agreement + before revealing confidential information
A formal non-disclosure agreement was signed by all employees who worked on the new phone design.
passive: non-disclosure agreement + was signed by [group]
The non-disclosure agreement that Haruto signed prevents him from discussing the project with journalists.
Chidi accidentally violated his non-disclosure agreement by posting a photo of the unreleased software on social media.
The research team is under a strict non-disclosure agreement until the patent application is filed.
- NDA
common abbreviation of non-disclosure agreement, used in everyday business speech and writing
- confidentiality agreement
largely interchangeable with non-disclosure agreement, though 'confidentiality' emphasises the protected status of the information rather than the act of not disclosing it
- secrecy agreement
slightly less formal and less common in legal documents; sometimes used in government or military contexts
- public disclosure
the opposite action — making information known to the public rather than keeping it secret
- press release
a formal public statement that actively shares information, in direct contrast to the purpose of an NDA
文法句型
sign + a non-disclosure agreement
under + a non-disclosure agreement
non-disclosure agreement + verb (prevents / prohibits / requires)
breach / violate + a non-disclosure agreement
covered by + a non-disclosure agreement
用法筆記
Often shortened to NDA (pronounced en-dee-ay) in business and legal contexts. Common phrases include 'sign an NDA' and 'under an NDA.' NDAs are typically used when one party needs to share sensitive information — for example, when showing a new product design to a potential investor or partner.