We use 'just' to show something happens exactly at the time we say. It means 'a moment ago' or 'at the very time'.
I just came home now.
She arrived just on time.
'Just' can show that something is small or limited, not more than what is said. It means 'only' or 'simply'.
I just want some water.
He is just a child.
'Just' shows that something is the right amount or degree, neither more nor less.
This is just what I needed.
They paid just enough money.
We use 'just' to be polite before asking or saying something important. It makes the sentence softer.
I just want to ask you.
Can I just say something?
'Just' can mean that something happened very close to another thing in time or space, showing something nearly happened.
It was just missed by the dog.
She just finished the race.
In law, 'just' means following the law and being legal. Decisions or rules are fair and according to law.
A just law protects everyone's rights.
The court made a just ruling.