stopstopstops2noun1the moment when somebody or something finishes moving: The train came to a stop.2a place where buses or trains stop so that people can get on and off: I'm getting off at the next stop.put a stop to somethingto make something finish: A teacher put a stop to the fight.stopstopstopsstoppedstopping1verb (stops, stopping, stopped)1to finish moving or working; to become still: The train stopped at every station. The clock has stopped. I stopped to post a letter.2to not do something any more; to finish: Stop making that noise!3to make somebody or something finish moving or doing something: Ring the bell to stop the bus.stop somebody (from) doing somethingto not let somebody do something: My dad stopped me from going out.