ADHD

American  

[ay-dee-aych-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

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Example Sentences

See Examples For:

ADHD

Many of the newer disability claims are for mental-health issues like depression, anxiety and ADHD, which can be harder for the government to verify than a physical disability.

From The Wall Street Journal ● Oct. 12, 2026

Noelle, 31, has Type 1 diabetes, retinopathy and ADHD.

From The Wall Street Journal ● Oct. 12, 2026

Shaun of the Dead and Mission: Impossible films star Simon Pegg has revealed he has been diagnosed with ADHD, which he said "confirmed a lot of stuff that I'd been wrestling with".

From BBC ● Oct. 8, 2026

It adds that the NHS disclosure of this approach precedes a major government-commissioned review of the "colossal increases" in diagnoses of ADHD, autism and mental illness.

From BBC ● Sep. 25, 2026

Frank was no expert on ghosts, but the dead legionnaires must have all been demigods, because they were totally ADHD.

From "The House of Hades" by Rick Riordan

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