We use 'long' to say something is big in distance or size from one end to another. It is the opposite of short.
The road is very long today.
She has long hair that shines.
As a verb, 'long' means to want or wish for something very much. It shows a strong feeling or desire.
I long to see my family again.
She longed for the summer holidays.
Long can describe shapes or areas that stretch a lot in one direction, like roads, rivers, or paths.
The river is long and narrow.
They took a long path through the forest.
'Long' can mean something difficult or tiring because it takes a lot of time or effort.
It was a long trip home.
The long work made her tired.
In finance, 'long' means owning assets hoping their prices will go up, so you can sell them for profit.
He is long on shares of this company.
The investor took a long position in gold.
