noun
the practice or policy of keeping secrets or maintaining concealment
secrecy is an inherent feature of intelligence operations
Synonyms: hugger-mugger, hugger-muggery, hush, hush-hush, secretiveness, secretness, silence
Related Word: clandestineness, covertness, furtiveness; concealment, stealth, subterfuge; censorship, suppression
Antonyms: openness