noun
a secret or confidential matter
adjective
characterized by secrecy or confidentiality
-
The details of the project are meant to be kept hush hush until the official announcement.
-
Hey, keep it hush hush, we don't want anyone to find out yet.
-
Let's make sure this party is hush hush, don't want the neighbors complaining.
-
The truth about her past remained hush hush, hidden from everyone.