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English definition of “do”

do

  /duː/ verb (doing, did, done)
A1 to perform an action: Go upstairs and do your homework.
A1 to perform a type of exercise or activity: She does yoga three times a week.
A2 to make or prepare something: Max’s Café does great sandwiches.
A2 used for talking or asking about how healthy, happy, or successful someone is: ‘How is your niece doing?’ ‘She’s doing really well, thanks.’
A1 to study a subject: Diana did history at university.
do the cleaning, cooking, etc. A1 to perform a job in the house: I do the cooking, but Joe does most of the cleaning.
what does someone do? A1 used to ask what someone’s job is: ‘What do you do?’ ‘I’m a doctor.’
do badly/well B1 to not succeed, or to succeed: Sam did very well in his exam.
do your hair, make-up, etc. B1 to make your hair, make-up, etc. look nice: It takes him half an hour to do his hair in the morning.
do your hair, makeup, etc. to make your hair, makeup, etc. look nice: I need to do my hair before we go out.
be/have to do with something to be related to something: She lacks confidence and I think that has to do with her childhood.
have to do with something to be related to something: Our profits are down, which has to do with poor sales.
do someone good to have a good effect on someone: A holiday would do you good.
will do will be satisfactory: You don’t have to pay now. Next week will do.
could do with someone or something to need or want someone or something: I could do with a few days off work.
(Definition of do verb from the Cambridge Essential Dictionary © Cambridge University Press)

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