collide

verb

1. (intransitive)To impact directly, especially if violent.

   “When a body collides with another, then momentum is conserved.”

   “Across this space the attraction urges them. They collide, they recoil, they oscillate.”

   “No longer rocking and swaying, but clashing and colliding.”

   “And this friendly was not without its injury worries, with defender Gary Cahill substituted early on after a nasty, needless push by Dries Mertens that caused him to collide with goalkeeper Joe Hart, an incident that left the Chelsea defender requiring a precautionary X-ray at Wembley.”

2. (intransitive)To come into conflict, or be incompatible.

   “China collided with the modern world.”

3. (intransitive, poetic)To meet; to come into contact.

   “Out of the doubts that fill my mind / I somehow find, you and I collide”

   “I knew when we collided / you're the one I have decided who's one of my kind”

4. (transitive)To cause to collide.