confidential

kept secret or not known by the public; intended to be kept secret

confidencial, secreto

• a confidential document/file
• keep something confidential

Collocations confidential information · confidential meeting

• The documents are strictly confidential.

  Los documentos son estrictamente confidenciales.

said or written in a way that shows you trust someone and want to tell them something private

confidencial, en confianza

• a confidential conversation/letter

Collocations confidential talk · confidential letter

• She gave me a confidential warning.

  Ella me dio una advertencia confidencial.