mum’s the word

Example of Idiom mum’s the word

We are throwing a party for our friend Jeremy, but its a surprise, so don’t tell him anything about it. Mum’s the word.

I’ll tell you about our secret hiding place, but mum’s the word; don’t tell anyone about it.

Mum’s the word about tonight’s plan. We don’t want all and sundry to gatecrash into our private gathering.

The information I am going to reveal to you is highly confidential, so mum’s the word.

I know where he has gone, but I am not revealing it to anyone against his wishes, so mum’s the word.

I’ll let you on our little secret, but mum’s the word: if anyone else gets to know of it, we’ll be in big trouble.

I’ve heard the news, but mum’s the word till we get confirmation.