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

To win a championship in soccer a reliable goalkeeper is a must, and Palos Verdes has one of the Southland’s best in Greyson Porth.

From Los Angeles Times

First introduced to England in the 1500s, the birds gradually gained in popularity to become a must on the dinner tables of London's wealthy.

From BBC

Having so-called hard assets, like real estate, is a must.

From MarketWatch

Being prepared for change is a must in the current college football climate, Riley said.

From Los Angeles Times

An Arsenal defender is a must this week.

From BBC

Related Words

• mandatory
• necessary
• obligatory
• required