A block is a big, solid part made of something like wood, stone, or ice. It usually has flat sides and is hard.
I have a block of wood here.
She gave me a block of ice.
A block is the area of buildings between four streets in a city or town. People use it to say where something is.
I live on the next block.
Walk two blocks and turn left.
To block means to stop movement or prevent something from going forward. You can block doors, roads, or ideas.
Please block the door now.
She blocked the road with cars.
A block here means a problem or a strong difficulty in thinking or creating ideas. It is often used in mental or creative work.
He has a writer block today.
I had a block in my thinking.
In computers, a block is a part that stops or controls data flow, like a filter that stops bad messages or traffic on a network.
The firewall blocks harmful blocks.
The message is blocked by spam filters.
To block someone means to stop them from contacting you or seeing your posts on the internet or phone. This keeps them away.
I block bad comments online.
She blocked him on her phone.
A block is a big piece of stone or concrete. Builders use it to make walls or buildings.
They carry blocks for the wall.
The block is very heavy to lift.
In computer programming, a block is a set or group of instructions that work together to do something specific.
Write a block of code carefully.
The function is a code block.
