<p><strong>Verb</strong></p><ul><li>to strike one another or one against the other with a forceful impact; come into violent contact; crash: The two cars collided with an ear-splitting crash.</li><li>to clash; conflict: Their views on the matter collided.</li></ul><p><strong>Noun</strong></p><ul><li>the act of colliding; a violent encounter or conflict.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to cause to collide: drivers colliding their cars in a demolition derby.</li></ul>