disorder Definition

to disturb the order of

to disturb the regular or normal functions of

lack of order

breach of the peace or public order

an abnormal physical or mental condition

mood disorder

a personality disorder that is characterized by antisocial behavior exhibiting pervasive disregard for and violation of the rights, feelings, and safety of others starting in childhood or the early teenage years and continuing into adulthood

any of various disorders (such as panic disorder, obsessive-compulsive disorder, a phobia, or generalized anxiety disorder) in which anxiety is a predominant feature —called also anxiety neurosis, anxiety state

a developmental disorder that is marked especially by persistent symptoms of inattention (such as distractibility, forgetfulness, or disorganization) or by symptoms of hyperactivity and impulsivity (such as fidgeting, speaking out of turn, or restlessness) or by symptoms of all three and that is not caused by any serious underlying physical or mental disorder —abbreviation ADD

attention deficit disorder —abbreviation ADHD

any of a group of developmental disorders (such as autism and Asperger's syndrome) marked by impairments in the ability to communicate and interact socially and by the presence of repetitive behaviors or restricted interests —called also pervasive developmental disorder

autism

any of several psychological disorders of mood characterized usually by alternating episodes of depression and mania —called also manic depression, manic-depressive illness