Definition of "derailment" in İngilizce

noun

1. (rail transport) The action of a locomotive or train leaving the rails along which it runs.

2. An instance of diverting a conversation or debate from its original topic.

3. An instance of thwarting or frustrating something.

4. (psychiatry) A pattern of discourse (in speech or writing) that is a sequence of unrelated or only remotely related ideas.