mustmodal verb
ukstrong /mʌst/weak /məst//məs/usstrong /mʌst/weak /məst//məs/must modal verb (NECESSARY)
A2 used to show that it is necessary or very important that something happens in the present or future:
If you say that you must do something, you mean that you strongly intend to do something in the future:
used for emphasis:
B1 If you tell someone else that they must do something pleasant, you are emphasizing that you think it is a good idea to do that:
More examples
- I must do some ironing tonight.
- Food must be heated to a high temperature to kill harmful bacteria.
- You must give the bank a written notification if you wish to close your account.
- Soldiers must obey orders.
- Candidates must answer two questions from each paper.
Thesaurus: synonyms and related words
Essential or necessary
- a man's gotta do what a man's gotta do idiom
- basically
- basis
- be a question of doing sth idiom
- business-critical
- dependence
- elemental
- if/when push comes to shove idiom
- imply
- incumbent
- indispensable
- inherent
- integral
- need
- needed
- needful
- occasion
- on a need-to-know basis idiom
- owe
- warrant
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You can also find related words, phrases, and synonyms in the topics:
must modal verb (PROBABLY)
B2 used to show that something is very likely, probable, or certain to be true:
More examples
- There must be a phone directory in the office somewhere.
- There's water on the floor - we must have a leak.
- Try to imagine what life must have been like for Neolithic man 10,000 years ago.
- The letter must have gone astray in the post.
- Why am I under arrest? There must be some mistake.
Thesaurus: synonyms and related words
Concluding and deducing
- analysis
- deduce
- deduction
- draw
- exclude
- extrapolate
- gather
- in the last/final analysis idiom
- induction
- inductive
- infer
- inference
- perceive
- put
- put sth down to sth
- put two and two together and make five idiom
- reason
- syllogism
- two
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mustnoun [ C ]
ukstrong /mʌst//məst//məs/us/mʌst//məst//məs/informalsomething that is necessary:
Thesaurus: synonyms and related words
Important and essential things
- -based
- amenity
- be-all
- big league
- biggie
- flagship
- grandaddy
- heavyweight
- hot button
- imperative
- kernel
- keynote
- keystone
- nucleus
- pivot
- precondition
- prerequisite
- priority
- requisite
- sine qua non
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