(psychiatry) A behavioral or mental pattern that may cause suffering or a poor ability to function in life.

plural of mental disorder

plural of attachment disorder

(psychology) Any of various disorders characterised by disturbance in an individual's mood.

A disorder of individuals who cannot adjust to or cope with a particular stressor, such as a major life event. It may be characterized by depression, anxiety, and/or traumatic stress symptoms.

plural of adjustment disorder

plural of affective disorder

(medicine) Any abnormality that concerns control of skeletal muscle, from involuntary twitching or lack of coordination to loss of function.

A psychological disorder of childhood or adolescence, characterized by persistent antisocial behaviours.

(medicine) A birth defect.