Roadside/ˈrəʊdsaɪd/ Definition 1 of 2Pro Tip 1/3Emergency Context Roadside often refers to a place for emergencies or breakdowns on a road. Call for roadside assistance if your vehicle breaks down. Pro Tip 2/3Not for Driving The roadside isn't typically a place where vehicles drive, but where they stop or park. He pulled over to the roadside to change the flat tire. Pro Tip 3/3Safety Zone Roadside is often used as a safer area for pedestrians to walk or wait. She waited at the roadside for the bus to arrive.