ADHD

American  

[ey-dee-eych-dee] / ˈeɪˌdiˈeɪtʃˌdi /

abbreviation

1. attention deficit hyperactivity disorder: a condition, usually apparent in childhood but often persisting into adulthood, characterized by difficulties with executive function, lack of focus, hyperactivity, and/or impulsiveness: the three subtypes of ADHD are inattentive, hyperactive-impulsive, and combined.

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ADHD British  

abbreviation

1. attention deficit hyperactivity disorder

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ADHD Scientific  

1. Abbreviation of attention deficit hyperactivity disorder

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Etymology

Origin of ADHD

First recorded in 1985–90

Example Sentences

See Examples For:

ADHD

Blame an explosion in doubtful claims for mental-health conditions such as depression and ADHD.

From The Wall Street Journal ● Jul. 26, 2026

He'd been described by a manager as showing "a lack of remorse," something the tribunal found was clearly linked with his communication differences associated with having ADHD.

From BBC ● Jul. 24, 2026

The Timms report finds that there’s been a surge in Brits under age 40 collecting benefits for incapacitating ADHD, autism, anxiety or depression.

From The Wall Street Journal ● Jul. 10, 2026

I would say your skill falls somewhere between like situational awareness and ADHD.

From Los Angeles Times ● Jul. 7, 2026

I figured Pandora had been completely ADHD, like me.

From "The Last Olympian" by Rick Riordan