|Origin:||secretie 'secrecy' (15-16 centuries), from secre 'secret' (14-16 centuries), from Old French secré, from Latin secretus; SECRET1|
the process of keeping something secret, or when something is kept a secret [↪ secret]:
I must stress the need for absolute secrecy about the project.
His work was shrouded in secrecy.
the veil of secrecy that covered the talks
to make someone promise not to repeat what you have told them