This meaning shows that there is as much of something as you need. It means not too little and not too much.
You have enough food for lunch.
Is there enough water in the bottle?
'Enough' is used after adjectives or adverbs to show that something reaches the needed level or size.
The box is big enough for the toys.
She is old enough to drive a car.
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.
