Meaning of bite one's lip | Babel Free

Definitions

To forcibly prevent oneself from speaking, especially in order to avoid saying something inappropriate or likely to cause a dispute.

idiomatic

Examples

“Buckingham bit his lip, for he saw the introduction of Lady Derby was likely to confuse and embroil every preparation which he had arranged for his defence; […]”

“He broke off and bit his lip, feeling that he had better subdue the rising anger in his voice.”

CEFR level