1620s, from Latin collidere "strike together," from com- "together" (see com-) + laedere "to strike, injure by striking," which is of unknown origin. For Latin vowel chan [..]

to crash into.

clash: be incompatible; be or come into conflict; "These colors clash" cause to collide; "The physicists collided the particles" crash together with [..]

to bump or run into something

v. To meet and strike violently.

to move in the same direction; to meet head-on; to bump into Color

(v) be incompatible; be or come into conflict(v) cause to collide(v) crash together with violent impact

Come together, bump into each other (Lesson 12)

To impact directly, especially if violent ''When a body collides with another, then momentum is conserved.'' * Tyndall *: Across this space the attraction urges them. They collide, they recoil, [..]