must

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1 must /ˈmʌst/ verb
1 must
/ˈmʌst/
verb
Learner's definition of MUST
[modal verb]
somewhat formal in US English used to say that something is required or necessary
◊ Note the difference in meaning between must not and not have to.
used to say that something is required by a rule or law
somewhat formal in US English used to say that someone should do something
used to say that something is very likely
used in various phrases to emphasize a statement
somewhat formal in US English used in questions that express annoyance or anger

if you must

used to say that you will allow someone to do something even though you do not approve of it

if you must know

see 1know
2 must /ˈmʌst/ noun
plural musts
2 must
/ˈmʌst/
noun
plural musts
Learner's definition of MUST
[count]
: something that is or seems to be required or necessary usually singular
Comments & Questions
Comments & Questions
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