Clam up Meaning in English
expression
Definition
To suddenly stop talking or refuse to speak, especially when you are nervous or want to avoid sharing information.
Usage & Nuances
Informal and often used in conversation. Common in situations of fear, nervousness, embarrassment, or secrecy. Used with people, e.g., "He clammed up during the interview." Not used for objects or animals. Similar to 'shut up' but less rude; focus is on sudden silence, not being told to stop talking.
Example Sentences
He clams up whenever someone asks about his family.
basic
The boy clammed up in front of the big crowd.
basic
When the teacher asked, she just clammed up.
basic
The moment I mentioned his secret, he completely clammed up.
natural
You can't just clam up every time things get tough.
natural
She usually talks a lot, but she clammed up when the police arrived.
natural