If you have been doing something and then you stop doing it, you no longer do it.

If you stop something happening, you prevent it from happening or prevent it from continuing.

If an activity or process stops, it is no longer happening.

If something such as machine stops or is stopped, it is no longer moving or working.

When a moving person or vehicle stops or is stopped, they no longer move and they remain in the same place.

If something that is moving comes to a stop or is brought to a stop, it slows down and no longer moves.

If someone does not stop to think or to explain, they continue with what they are doing without taking any time to think about or explain it.

If you say that a quality or state stops somewhere, you mean that it exists or is true up to that point, but no further.

A stop is a place where buses or trains regularly stop so that people can get on and off.

If you stop somewhere on a journey, you stay there for a short while.

A stop is a time or place at which you stop during a journey.

In music, organ stops are the knobs at the side of the organ, which you pull or push in order to control the type of sound that comes out of the pipes.

If you say that someone will stop at nothing to get something, you are emphasizing that they are willing to do things that are extreme, wrong, or dangerous in order to get it.

If you pull out all the stops, you do everything you can to make something happen or succeed.

If you put a stop to something that you do not like or approve of, you prevent it from happening or continuing.

If you say that someone does not know when to stop, you mean that they do not control their own behaviour very well and so they often annoy or upset other people.