...collides with a person or object that is not moving...

[Tan Elaine]

collide. If two or more moving people or objects collide, they crash into one another. If a moving person or object collides with a person or object that is not moving, they crash into them.
Collide definition and meaning | Collins English ...

According to the definition, "collide" involves two or moving people or objects. However, the second sentence states that when a moving person or object collides with a person or object that is not moving, they crash into them.

Does "a person or object that is not moving" contradict the definition?

Thanks.6

 

[Rover_KE]

Not every dictionary agrees with Collins. [link]

Merriam-Webster, for example, gives the sample sentence 'The car collided with a tree', which sounds perfectly good to me.

 

[GoesStation]

You pasted a usage example, not the definition.

 

[Tdol]

Does "a person or object that is not moving" contradict the definition?

I don't think so- the definition talks about two moving people or objects. If one is not moving, then the dictionary says that a different verb should be used. I think they may be slightly over-egging the case, but I would use crashed with tree, but I wouldn't think collided was wrong.