Collide/kəˈlaɪd/ Definition 1 of 3Pro Tip 1/3Physical Impact Used to describe a literal crash between physical objects. The hockey players collided on the ice. Pro Tip 2/3Unintentional Meeting Often implies an accidental or unexpected event. A skateboarder collided with a passerby on the sidewalk. Pro Tip 3/3Forceful Nature Indicates a strong force or impact during the collision. The ball collided with the window, shattering the glass.