mustn't
AmericanUsage
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.
"Because we mustn't miss out -- especially us, as we're in our final year," he said.
From Barron's ● Oct. 16, 2026
Though the AI landscape is nascent and mustn’t be dismissed, “we see numerous reasons why the impact on European telecoms should be contained,” the analysts say.
From The Wall Street Journal ● Oct. 9, 2026
“The player mustn’t move, bend or break any growing or attached natural object,” Moir said.
From Los Angeles Times ● Jul. 17, 2026
"Importantly what the prohibited action here is that the player mustn't move, bend or break any growing or attached natural object."
From Barron's ● Jul. 17, 2026
“Oh, I don’t really know. You mustn’t bother,” I said.
From "Rebecca" by Daphne du Maurier
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
