[noun] [U]His obsessive secrecy about his private life is a defence against the pressures of being a superstar.The content of her report is shrouded in secrecy (= being kept secret).I'd love to tell you about it, but Martin's sworn me to secrecy (= made me promise not to tell anyone).There has been strong criticism of the veil of secrecy surrounding the negotiations.
SECRECY
Meaning of SECRECY in English
Cambridge English vocab. Кембриджский английский словарь. 2012