Définitions
1.NounA requirement for something; something needed."There's no need to speculate; we can easily find out for sure.; She grew irritated with his constant need for attention.; Our needs are not being met.; I've always tried to have few needs beyond food, clothing and shelter."
2.NounLack of means of subsistence; poverty; indigence; destitution.
3.VerbTo have an absolute requirement for."Living things need water to survive.; You do not always need to go to the library to study. You may use the Internet."
4.VerbTo want strongly; to feel that one must have something."After ten days of hiking, I needed a shower and a shave."
5.VerbTo be obliged or required (to do something)."I need not go if I don't want to, need I?; I was wondering if I need fill in more forms. - No, that's the only one you need fill out.; I need never have packed my set of sunglasses - it rained all day every day."
6.VerbTo be required; to be necessary.
7.VerbTo be necessary (to someone).