Disorder
Healthcare
- Disorder (medicine), a functional abnormality or disturbance
- Mental disorder or psychological disorder, a psychological pattern associated with distress or disability that occurs in a person and is not a part of normal development or culture:
:* Anxiety disorder, different forms of abnormal and pathological fear and anxiety
:* Attention-deficit hyperactivity disorder
:* Conversion disorder, neurological symptoms such as numbness, blindness, paralysis, or fits, where no neurological explanation is possible
:* Obsessive–compulsive disorder, an anxiety disorder characterized by repetitive behaviors aimed at reducing anxiety
:* Obsessive–compulsive personality disorder, obsession with perfection, rules, and organization
:* Personality disorder, an enduring pattern of inner experience and behavior that deviates markedly from the expectations of the culture of the person who exhibits it
Law enforcement
- Civil disorder, one or more forms of disturbance caused by a group of people
- Lawlessness, a lack of laws or law enforcement
Science
- Crystallographic disorder, disordered atom locations in crystals
- Order and disorder
Arts, entertainment, and media
=Films=
- Disorder (1962 film), a film by Franco Brusati
- Disorder (2006 film), a psychological thriller by Jack Thomas Smith
- Disorder (2009 film), a Chinese documentary
- Disorder (2015 film), a French film
=Music=
- "Disorder", a song by Joy Division from the 1979 album Unknown Pleasures
- Disorder (EP), an EP by Front Line Assembly
- Disorder, a Bristol-based hardcore punk band
- Disorder (album), an album by The Gazette
Mail order
- Dis-order, the mail order service of Displeased Records