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- Dictionarymust/məst/
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 parents"
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1. a. : be commanded or requested to. you must stop. b. : be urged to : ought by all means to. you must read that book. 2. : be compelled by physical necessity to. one must eat to live. : be required by immediate or future need or purpose to. we must hurry to catch the bus. 3. a. : be obliged to : be compelled by social considerations to.
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 definition: to be obliged or bound to by an imperative requirement. See examples of MUST used in a sentence.
12 meanings: 1. used as an auxiliary to express obligation or compulsion: you must pay your dues. In this sense, must does not.... Click for more definitions.
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).
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.
Define must. must synonyms, must pronunciation, must translation, English dictionary definition of must. ought; should; obliged, bound, required, or compelled to: You must be on time.; a necessity; vital: A warm coat is a must in this weather.
MUST definition: 1. used to say that it is necessary that something happens or is done: 2. used to show that you…. Learn more.
used to say that something is necessary or very important (sometimes involving a rule or a law) All visitors must report to reception. Cars must not be parked in front of the entrance (= it is not allowed). (formal) I must ask you not to do that again. You mustn't say things like that. I must go and get the kids from school.
To be obliged or required by morality, law, or custom. Citizens must register in order to vote. American Heritage. To be compelled, as by a physical necessity or requirement. Plants must have oxygen in order to live. American Heritage. Used elliptically in the same functions as must. Shoot if you must. Webster's New World. Similar definitions.
