Translations

mustverb
had to
Past Simple
UK
/mʌst/
US
/mʌst/
(modal)
Synonyms
have to
need to
ought to
be required to
mustnoun
musts
pl
UK
/mʌst/
US
/mʌst/

Definitions

mustverb
To be obliged to; should (expressing necessity).
You must finish your homework before you can go out.
To be compelled to, as by a physical necessity or requirement.
Plants must have sunlight to grow.
To be required or commanded to.
All employees must wear their ID badges at all times.
mustnoun
A requirement or necessity.
Wearing a helmet is a must when riding a motorcycle.
The juice expressed from fruit, especially grapes, before or during fermentation.
The winemaker carefully monitored the must to ensure the best quality wine.