collide sb

Universal Words 1 if two people, vehicles, etc. collide, they crash into each other; if a person, vehicle, etc. collides with another, or with sth that is not moving, they crash into it: The car and the van collided head-on in thick fog. * The car collided head-on with the van. * As he fell, his head collided with the table. 2 ~ (with sb) (over sth) (written) (of people, their opinions, etc.) to disagree strongly: They regularly collide over policy decisions. seealsoCOLLISION