HUSH

[noun] [U] - a sudden calm silenceThere was a deathly hush after she made the announcement.An expectant hush descended/fell on the waiting crowd (= the people suddenly became silent).The speaker dropped his voice to a hush (= began to speak very quietly).Let's have some hush, please! (= Quiet, please!)(informal) If something is hush-hush, it is kept secret from people.I can't tell you anything about it - it's all hush-hush.The police were involved in a hush-hush operation to break a drugs ring.(informal) Hush money is money that is given to someone to keep something they know secret.She claimed that the minister had offered her hush money to keep their child a secret.