keep something under your hat

Share this

keep something under your hat [idiom]

keep something a secret

keep something under your hat - صداشو در نیار
Example: 

We are going to have a surprise birthday party for Maria, keep it under your hat and don’t let anyone know about it.

Longman Dictionary of Contemporary English

keep something under your hatinformal to keep something secret

Cambridge Advanced Learner's Dictionary

keep (something) under one’s hat

to keep (something) secret

Keep it under your hat but I’m getting married next week.

Collins Advanced Learner’s English Dictionary

keep sth under your hat

phrase

If you tell someone to keep a piece of information under their hat, you are asking them not to tell anyone else about it.

Look, if I tell you something, will you promise to keep it under your hat?

He kept it all very much under his hat.

Merriam-Webster's Advanced Learner's Dictionary

keep (something) under one's hat

 idiom

Definition of keep (something) under one's hat

to keep (something) secret to not tell anyone about (something)I'll tell you what happened, but you have to keep it under your hat.