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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:

The program now covers people living with a range of physical and mental health issues, including anxiety, ADHD, depression and even acne.

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

He reversed into a post while on holiday in Greece, which prompted him to look up the symptoms of ADHD.

From BBC ● Oct. 8, 2026

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

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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