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Word of the Day Tuesday, June 9, 2026

must

/mʌst/ auxiliary verb · British & US
Valid in UKValid in US
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What does must mean?

auxiliary verb

Used to express necessity or obligation, or to indicate something that is inevitable or unavoidable. It is often used with the first and second person singular and plural, and the third person singular and plural.

Example

"I must finish this project by the end of the week."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for must

Antonyms of must

Rhymes with must

Etymologically related