1A physical collision — objects, vehicles, or bodies crashing into each other, often in an accident.
霧の中で二台のトラックが衝突する事故が起きた。
An accident occurred in which two trucks collided in the fog.
自転車が塀に衝突して、乗っていた人が怪我をした。
The bicycle crashed into the wall and the rider was injured.
小惑星が地球に衝突する確率は極めて低いとされている。
The probability of an asteroid colliding with Earth is said to be extremely low.
2A clash between opinions, interests, or people — a conflict, disagreement, or dispute.
経営方針をめぐって役員たちの意見が衝突した。
The executives' opinions clashed over management policy.
二つの民族の間で長年、衝突が繰り返されてきた。
Conflict has repeatedly broken out between the two ethnic groups over many years.