Meaning of need in English
1. must have or do something because it is very important
You needn't worry. ― You don't need to worry.
1. a situation in which you must have or do something because it is very important; necessity or obligation
There is no need to worry.
2. something that you must have in order to live, work, or do something; necessities
our daily needs
3. a condition or time of trouble or in want, especially without enough necessary things; great poverty or hardship
A friend in need is a friend indeed. (proverb)
1. want or require urgently; lack
I don't need that.
I need you.
The town needs a hospital.
You need to change your eating habits.