collide

It could be protons bouncing around in a particle accelerator, two cars failing to stop at an intersection, or the priorities of two people with very different goals. When things crash together, they collide.

The verb collide has roots in the Latin word collidere, which comes from col- or “together” and laedere, “to strike or damage," like planes that collide in midair. Collide can also describe ideas that clash, such as expectations that collide with reality or radical views that collide with tradition.

Definitions of collide
  1. verb
    crash together with violent impact
    “The cars collided
    synonyms: clash
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    types:
    smash
    collide or strike violently and suddenly
    shock
    collide violently
    crash, ram
    undergo damage or destruction on impact
    type of:
    collide with, hit, impinge on, run into, strike
    hit against; come into sudden contact with
  2. verb
    cause to collide
    “The physicists collided the particles”
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    types:
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    crash
    cause to crash
    wrap
    crash into so as to coil around
    prang
    crash
    ditch
    crash or crash-land
  3. verb
    be incompatible; be or come into conflict
    synonyms: clash, jar
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    type of:
    conflict
    be in conflict
Word Family