attention deficit hyperactivity disorder

noun

1. a condition, usually in children, characterized by inattention, hyperactivity, and impulsiveness.

noun

1. a form of attention deficit disorder in which hyperactivity is a prominent symptomAbbreviation: ADHD

1. A syndrome of disordered behavior, usually diagnosed in childhood, characterized by a persistent pattern of impulsiveness, inattentiveness, and sometimes hyperactivity that interferes with academic, occupational, or social performance. Also called attention deficit disorder