to come to an end, or to make something come to an end, especially movement or an activity
Please stop making so much noise; the baby is sleeping.
The driver pressed the brakes and the car stopped just in time at the red light.
✦ Old English ‘stoppian’ meaning ‘to plug or block’, later broadened to the modern sense of bringing something to an end.
to prevent something from happening or continuing
Good sunscreen stops your skin from burning.
He put up a fence to stop the dog from running away.