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.
“We mustn’t allow the occasional flareup of political drama to distract us from this fundamental point,” he wrote on X.
From The Wall Street Journal ● Aug. 21, 2026
“The player mustn’t move, bend or break any growing or attached natural object,” Moir said.
From Los Angeles Times ● Jul. 17, 2026
But you mustn't confuse the luckiness of some within the late baby boom, with the luckiness of the whole cohort.
From BBC ● May 17, 2026
But "we mustn't give in to this siren song," warned Bernard Jullien, an automotive industry specialist at the University of Bordeaux.
From Barron's ● May 8, 2026
This outside world is full of people I mustn't trust.
From "Born Behind Bars" by Padma Venkatraman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
