to strike; to hit; to ram

to knock down and kill (with a car, train etc)

to crash (into another car); (fig.) (of opinions, schedules etc) to clash; (of subject matter) to be the same

to knock down; to knock over; to run over (sb)

to meet by accident

to collide; collision

collision; crash; to crash together; to collide with; to bump into

rash; reckless

to collide; jerking motion; to impinge; to offend; to provoke

to contradict (elders or superiors)