Meaning of mustn't | Babel Free

Definitions

must not (negative auxiliary); used to indicate that something is forbidden or, in a tag question, that something is not necessary.

uncommon

Equivalents

Examples

“You mustn't blame yourself for this tragedy.”

“We must go, mustn't we?”

“1906, Edith Nesbit, The Railway Children, Chapter 4: The engine-burglar, "Now, listen," said Mother; "it's quite true that we're poor, but we have enough to live on. You mustn't go telling everyone about our affairs--it's not right. And you must never, never, never ask strangers to give you things. Now always remember that--won't you?"”

“Look, we mustn't mistake ourselves for regular people. We're artists.”

CEFR level