Synonyms

ADHD

American

[ey-dee-eych-dee] / ˈeɪˌdiˈeɪtʃˌdi /

abbreviation

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

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

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:

ADHD

Examples can include speaking too loudly in a library or struggling to control impulses, difficulties that can occur with ADHD.

From Science Daily ● Aug. 20, 2026

Channel 4 defended the show, saying there is "considerable public debate on various aspects of ADHD" and it "is legitimate for that debate to be explored and for conventional understandings to be challenged".

From BBC ● Aug. 19, 2026

Loss of motivation is common in conditions such as depression, addiction, and ADHD.

From Science Daily ● Aug. 5, 2026

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

From The Wall Street Journal ● Jul. 26, 2026

The funny thing was, even with ADHD, when it came to gymnastics, I could be laser focused.

From "Courage to Soar" by Simone Biles

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023