Disorder may refer to :
@Randomness, non-order or no intelligible pattern
@Civil disorder
@Disorder (medicine), a functional abnormality or disturbance
@Psychological or Mental disorder, a psychological pattern associated with distress or disability that occurs in an individual and is not a part of normal development or culture.
@Lawlessness, a lack of laws or law enforcement


source: https://en.wikipedia.org/wiki/Disorder