attention deficit hyperactivity disorder

American  

[uh-ten-shuhn def-uh-sit hahy-per-ak-tiv-i-tee dis-awr-der] / əˈtɛn ʃən ˈdɛf ə sɪt ˌhaɪ pər ækˈtɪv ɪ ti dɪsˌɔr dər /

noun

1. ADHD.

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attention deficit hyperactivity disorder British  

noun

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

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attention deficit hyperactivity disorder Scientific  

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

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Etymology

Origin of attention deficit hyperactivity disorder

First recorded in 1985–90

Example Sentences

See Examples For:

attention deficit hyperactivity disorder

There might be coaches who could help with issues like attention deficit hyperactivity disorder or therapists she could talk to about her mental health.

From MarketWatch ● Jul. 29, 2026

The plaintiffs argue that Tylenol use during pregnancy can lead to autism or attention deficit hyperactivity disorder in children.

From Barron's ● Jul. 13, 2026

Their claim that acetaminophen—the main active ingredient in Tylenol—can cause autism and attention deficit hyperactivity disorder if taken during pregnancy was rejected in federal multi-district litigation in 2023.

From The Wall Street Journal ● Oct. 29, 2025

He told The Times in March that he had been diagnosed with attention deficit hyperactivity disorder as a child.

From Los Angeles Times ● Sep. 28, 2024

Imbalances in how these oscillations interact with each other may be involved in brain disorders such as attention deficit hyperactivity disorder, the researchers say.

From Science Daily ● Jan. 18, 2024