This means that one thing is close to the side of another thing. We use it to show physical position or place.
She sat beside me at the table.
The lamp is beside the bed.
This use shows comparison between things. It means one thing compared with another.
Beside his success, others failed.
Beside her, I look small.
This use means adding something extra to what is already known or mentioned.
Beside teaching, she writes books.
Beside being funny, he is very kind.
In older or poetic usage, 'beside' can act as an adverb to mean near or close by.
He stood beside, watching quietly.
The house lies beside, on the hill.
This shows a position close to or alongside something, often used with natural features like rivers or roads.
We paused beside the river.
They live beside the road.
