a must

Idioms  

1. A necessity; a requirement. For example, The Louvre is a must for visitors to Paris, or This book is a must for serious students of English. [Late 1800s]

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Example Sentences

See Examples For:

a must

In parts of the U.S. where snow is common, a mudroom is a must, Perry said.

From MarketWatch ● Aug. 1, 2026

There are rigid rules and nuances when it comes to using a QCD, however, so attention to detail is a must.

From Barron's ● May 9, 2026

For the companies that are hiring for those skills, AI fluency is a must.

From The Wall Street Journal ● May 8, 2026

For me, integrity is paramount and asking questions up-front is a must.

From Los Angeles Times ● May 8, 2026

He believed discipline and rules were a must for children, especially young boys—and especially those growing up in Birmingham, Alabama.

From "While the World Watched: A Birmingham Bombing Survivor Comes of Age during the Civil Rights Movement" by Carolyn Maull McKinstry

Related Words

• mandatory
• necessary
• obligatory
• required