We use free to talk about things that do not need money. If something is free, you do not have to pay for it.
The apples are free today.
You can get a free ticket here.
Free can mean you can use or do something without rules stopping you. It is allowed without paying or limits.
You have free access to the building.
The software is free to use.
Free means something like space or resource is empty and ready to be used. It is not taken or busy.
There is free space on the hard drive.
The printer is free and ready.
To free someone or something means to let them go or stop holding them. It means to remove limits or prison.
They free the animals from cages.
She freed the bird from the net.
Free can describe a place or space without anything in it. It means there is no person or thing there.
Keep the road free of cars.
The shelf is free of dust.
Free means not tied up or held by anything. A person or animal can move or behave without control or chains.
The prisoner was set free yesterday.
The kitten runs free in the garden.