Dictionary.com
Thesaurus.com

mustn't

American  
[muhs-uhnt] / ˈmʌs ənt /
  1. contraction of must not.


Usage

See contraction.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“You mustn’t worry about it too much, dear.”

From Literature

“Hadel, you mustn’t speak so of our sister. She only thought to remedy her mistake,” said Ida.

From Literature

"I thought it was wrong… I'd said we mustn't pay it, but we ended up paying it anyway," he told the BBC, about a claim that followed a visit by Andrew to the Middle East.

From BBC

I mustn’t lose my temper in front of my little brother.

From Literature

“And they do not love. How could they, when they mustn’t fear? Love has fear baked into it.”

From Literature