Expresses a quantity that meets a need or requirement.
We have enough food for everyone.
Is there enough time?
This use of 'enough' shows that someone wants something to stop. It is often used when someone is angry or tired.
Enough! I don’t want to talk more.
That’s enough, please be quiet.
Sometimes 'enough' is used to emphasize how much or how good something is. It means 'quite' or 'very' in a natural way.
It is cold enough today.
She is friendly enough to help us.
In idioms, 'have enough' means a person is tired or unhappy with a situation and wants to stop it.
I have had enough of this noise.
She has had enough and wants to leave.
Fundamental substantive denoting an entity, idea, or concrete item.
The researcher highlighted the importance of enough in modern society.
A clear understanding of enough is necessary to evaluate the problem.