Must

Pronunciation: /ˈmʌst/

Must (modal verb)

  1. Used to say something is necessary or very important.
  2. Used to give strong advice or recommendation.
  3. Used to show that something is logically true or certain.

Examples

  • You must wear a helmet when cycling.
  • They must finish their homework before dinner.

Common collocations: must follow rules, must complete task, must try harder, must listen carefully, must be true

Synonyms of Must

Formal

Neutral

Informal

Antonyms of Must

  • when something is not necessary
  • when something is not needed