An eating disorder.
Kidney disorders; a psychiatric disorder.
A room that is really messy is an example of a room in disorder.
A learning disability that makes it hard for you to learn normally is an example of a disorder.
A group of demonstrators in front of a government building is an example of a disorder.
Origin of disorder
- dis- + order. Middle English disordeine, from Old French desordainer, from Medieval Latin disordinare.