attention deficit hyperactivity disorder

[uh-ten-shuhn def-uh-sit hahy-per-ak-tiv-i-tee dis-awr-der]

noun

1. ADHD.

attention deficit hyperactivity disorder

noun

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

attention deficit hyperactivity disorder

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.

2. Also called attention deficit disorder

Word History and Origins

Origin of attention deficit hyperactivity disorder¹

First recorded in 1985–90