Not open your mouth Meaning in English
expression
Definition
To stay silent or not speak at all, especially when expected or told to speak. Sometimes used to mean staying quiet about something secret.
Usage & Nuances
Often used as an imperative ('Don't open your mouth!') or to describe someone who does not speak at all. Can imply obedience, secrecy, or social pressure. More literal than 'keep quiet', and distinct from 'speak up'. Should not be confused with physically opening the mouth for other actions.
Example Sentences
He did not open his mouth during the whole meeting.
basic
The children were so scared, they did not open their mouths.
basic
Please, do not open your mouth about this secret.
basic
If you don't open your mouth, no one will know how you feel.
natural
She was so shocked, she just stood there and didn’t open her mouth.
natural
He promised to not open his mouth about the plan to anyone.
natural