There are multiple definitions - click on the translation that matches your context.

termo de confidencialidade

substantivo

full

non-disclosure agreement

noun

Comparative law notes

In Brazil, the terms "contrato de confidencialidade/sigilo, "acordo de confidencialidade/sigilo" and "termo de confidencialidade/sigilo" are synonyms. Whereas "contrato" and "termo" usually refer to a written instrument, "acordo" may refer to an abstract agreement between the parties, not necessarily making reference to the written instrument.

Definitions of non-disclosure agreement

a contract where one or more parties agree not to reveal confidential (=intended to be kept secret) information that they have shared with each other as a necessary part of doing business together

A non-disclosure agreement can offer some protection when you need to reveal secret information at meetings with potential business partners.