As a Noun: 1. All the people that are moving along a path and passing each other at a particular time. 2. All the cars and other vehicles that are moving along a road at a particular time. English = traffic. 3. A place where there is a lot of traffic of people or vehicles. English = thoroughfare. As a Verb or Adjective: 1. Of a thoroughfare, to be full of a lot of people or vehicles passing each other. English = (be) busy.