We use 'but' to show a difference or opposite idea between two parts of a sentence. It connects two ideas where the second one gives different or opposite information.
I like tea, but I like coffee more.
She is young but very wise.
We use 'but' to mean 'not including' or 'except'. It shows one part that is left out from a group or statement.
Everyone but John came to the party.
I like all fruits but apples.
'But' as a noun means an objection or a reason against something. It is often used in the plural form 'buts' to mean excuses or reasons why something should not be done.
She had one but about the plan.
No buts, just do your work now.
As an adverb, 'but' means 'only' or 'just'. It is used to limit what is being said, making it less strong or less important.
It but shows a small part of the problem.
He but tried to help us.
As a verb, 'but' or 'butt' means to push or hit with the head or to interrupt. It can also mean to connect or come into contact with something closely.
The wall butted the two buildings.
He butted into the conversation.
'But' can mean the thicker or bottom part of an object, like the handle or end of a tool or gun. It usually means the part you hold or rest on something.
The gun's but was made of wood.
He sat on the but of the chair.
Used to stop someone when they want to complain or give reasons not to do something. It shows a strong refusal of excuses or objections.
No but! You must do your work now.
But! Don’t argue with me!