'More' as an adjective describes nouns by showing they have a greater amount or size. It modifies nouns directly to show increase.
He needs more time for work.
More people came to the party.
'More' is used to show that something happens to a greater degree. It tells us that something is done to a larger extent or in higher amount.
She runs more quickly than him.
You should try more often.
As a pronoun, 'more' replaces a noun already mentioned. It means extra or additional amount without repeating the noun.
Do you want more? Yes, please.
I ate two and want more.
In old or regional usage, 'more' means a place where minerals or coal are dug from the ground. It refers to mining land or a mine itself.
The miners worked on the more all day.
Coal was found in the old more.
'More' is the comparative form of 'many' and 'much'. It is used to compare two amounts and say that one is bigger or larger.
I have more apples than you.
There is more milk in the glass.
The word 'more' is used in common phrases to mean one extra time or one extra thing. It shows repetition or an additional amount.
Please say it once more.
I want one more piece of cake.
