English definition of “need”
/niːd/ verb [T]
NECESSARY › If you need something, you must have it, and if you need to do something, you must do it: I need some new shoes. The country still desperately needs help. [+ to do sth] The doctor said I might need to have an operation. [+ to do sth] If there's anything else you need to know, just give me a call. We need you to look after the children for us.
don't need to do sth/ needn't do sth › used in order to say that someone does not have to do something or should not do something: You didn't need to come all this way. You don't need to be frightened. She needn't have taken him to the hospital.
NECESSARY ACTION › If something needs something to be done to it, that thing should be done in order to improve it: Do the clothes on this chair need washing? The car needs to be serviced.
There needs to be sth › used to say that something is necessary: There needs to be more funding for education in this country.