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Synonyms

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.


ADHD British  

abbreviation

  1. attention deficit hyperactivity disorder

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ADHD Scientific  
  1. Abbreviation of attention deficit hyperactivity disorder


Etymology

Origin of ADHD

First recorded in 1985–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Kimora Dean, who is autistic and has ADHD, had been thriving as a junior at John F. Kennedy High School in Silver Spring, Md., playing jazz piano and getting good grades.

From The Wall Street Journal ● Oct. 1, 2026

Some had pre-existing conditions like ADHD, while others had been in and out of the care system.

From BBC ● Sep. 22, 2026

Until now, however, researchers have had a less complete picture of how frequently gastrointestinal symptoms occur in people with ADHD.

From Science Daily ● Sep. 11, 2026

Imbruglia says perimenopause exacerbated her ADHD, which she was diagnosed with in midlife.

From BBC ● Sep. 6, 2026

The school counselor told me this was part of the ADHD, my brain misinterpreting things.

From "The Lightning Thief" by Rick Riordan

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