need

"Need" is a very common and essential English word. It works as both a noun and a verb, and it has a few closely related but distinct uses that are worth understanding clearly.

1verbrequire something

When you 'need' something, it means you must have it or it is necessary for you. Think of it as a gap — something is missing, and without it, things won't work properly or you won't be okay.

everyday language · Modern, widely used

Plants need water and sunlight to grow.

I need more time to finish this report.

Do you need help with your homework?

2verbobligation or necessity (modal use)

Sometimes 'need' is used like a modal verb (similar to 'must' or 'have to') to say that something is necessary or, in negative sentences, that something is NOT necessary. This is especially common in British English.

everyday language, formal writing · Modern, slightly more formal

You need not worry — everything is under control.

Need I remind you that the deadline is tomorrow?

She needn't come if she doesn't want to.

3nouna requirement or necessity

As a noun, a 'need' is something that is necessary — something you cannot easily do without. It is stronger than a 'want'. A want is something you desire; a need is something you truly require.

everyday language, social sciences · Modern, widely used

Food, water, and shelter are basic human needs.

There is a growing need for affordable housing in the city.

The teacher identified each student's individual learning needs.

4nounfigurativea difficult situation or hardship

When someone is 'in need', it means they are in a difficult situation — perhaps they are poor, sick, or struggling. This sense focuses on the idea of lacking something important.

everyday language, social work · Modern, widely used · figurative

The charity provides food and shelter to families in need.

He was always ready to help a friend in need.

The organization raises money for children in need around the world.