Meaning of MUST in English

~ 1

■ modal verb ( past had to or in reported speech ~ )

1》 be obliged to; should.

↘expressing insistence.

2》 expressing an opinion about something that is very likely.

■ noun informal something that should not be overlooked or missed.


OE mōste , past tense of mōt 'may', of Gmc origin.


~ 2

■ noun grape juice before or during fermentation.


OE, from L. ~um , neut. (used asnoun) of ~us 'new'.


~ 3

■ noun ~iness or mould.


C17: back-form. from ~y .


~ 4

(also ~h )

■ noun the frenzied state of a rutting male elephant or camel.


C19: via Urdu from Pers. mast 'intoxicated'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.