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Synonyms

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]


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.

See Examples For:

Going anywhere near water with children means UV protective swimwear is a must.

From BBC Jun. 19, 2026

Low-income families and seniors on fixed incomes already struggle to afford their bills and air conditioning is a must, she said.

From The Wall Street Journal Jun. 4, 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 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

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