full

A container is full of things if there are many of the things in the container and no more can go in.

Example: The cup is full of water. If you try to put more water in, the water will fall onto the table.

A full moon is when the moon is a round circle because the sun is shining on the side we can see.

Example: I can see the road, because there's a full moon tonight.

A person is full when they are satisfied, usually with food.

Example: The meal was so large that I was full all day.

Something is full when it is total and completed, does not need any additions