Definitions of collision

1. a conflict of opposed ideas or attitudes or goals; " a collision of interests"

2. an accident resulting from violent impact of a moving object; " three passengers were killed in the collision"; " the collision of the two ships resulted in a serious oil spill"

3. A state of opposition; antagonism; interference.

4. A striking together: state of being struck together: conflict: opposition.

5. Act of dashing together; conflict.

6. The act of colliding; clashing; antagonism.

7. The act of striking together of two hard bodies; opposition; interference.