ADHD
[ ey-dee-eych-dee ]
/ ˈeɪˌdiˈeɪtʃˌdi /
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abbreviation, noun
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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Origin of ADHD
First recorded in 1985–90
Words nearby ADHD
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use ADHD in a sentence
British Dictionary definitions for ADHD
ADHD
abbreviation for
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
Medical definitions for ADHD
ADHD
abbr.
attention deficit hyperactivity disorder
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for ADHD
ADHD
Abbreviation of attention deficit hyperactivity disorder
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.