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- Dictionarymust/mʌst/
modal
- 1. be obliged to; should (expressing necessity): "you must show your ID card"
- 2. expressing an opinion about something that is logically very likely: "there must be something wrong"
noun
- 1. something that should not be overlooked or missed: informal "this video is a must for everyone"
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used to show that it is necessary or very important that something happens in the present or future: Meat must be cooked thoroughly. I must get some sleep. You mustn't show this letter to anyone else. Luggage must not be left unattended (= it is against the rules).
must expresses necessity or compulsion: I must attend to those patients first. Soldiers must obey orders. ought (weaker than must ) expresses obligation, duty, desirability: You ought to tell your mother. should expresses obligation, expectation, or probability: You are not behaving as you should.
The meaning of MUST is be commanded or requested to. How to use must in a sentence.
A must is something that's so important it can't be missed or ignored. When you're taking kayaking lessons, a lifejacket is a must. Anything that is required is a must: drinking enough water is a must for being healthy. When you adopt a new dog, making sure he'll get along with your cat is a must.
Must definition: to be obliged or bound to by an imperative requirement. See examples of MUST used in a sentence.
1. To be obliged or required by morality, law, or custom: Citizens must register in order to vote. 2. To be compelled, as by a physical necessity or requirement: Plants must have oxygen in order to live. 3. Used to express a command or admonition: You must not go there alone. You simply must be careful. 4.
used to show that it is necessary or very important that something happens in the present or future: Meat must be cooked thoroughly. I must get some sleep. You mustn't show this letter to anyone else. Luggage must not be left unattended (= it is against the rules).
Must is used to talk about what the speaker or listener wants, and have (got) to about rules, laws and other people’s wishes: I must finish this essay today. I’m going out tomorrow.
MUST definition: 1. used to say that it is necessary that something happens or is done: 2. used to show that you…. Learn more.
5 days ago · If it has rained all day, it must be very wet outside. You picked one of two, and it wasn't the first: it must have been the second. (modal auxiliary, defective) Used to indicate that something is very likely, probable, or certain to be true. The children must be asleep by now.