As a Noun: 1. The act of moving quickly by foot, leaving the ground during each stride, because you are in a hurry to get somewhere or because you are taking part in a race. English = run, running. 2. A form of exercise in which you run slowly. English = jog, jogging. 3. A competition to see who is the fastest at running. English = race. As a Verb or Adjective: 1. To move quickly by foot, leaving the ground during each stride, because you are in a hurry to get somewhere or because you are taking part in a race. English = run, race. 2. To run slowly as a form of exercise. English = jog. 3. To run in a competition. English = race.