attention deficit hyperactivity disorder

noun
variants: or attention-deficit hyperactivity disorder or attention-deficit/hyperactivity disorder

Definition of attention deficit hyperactivity disorder

:attention deficit disorder abbreviation ADHD

Recent Examples of attention deficit hyperactivity disorder from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'attention deficit hyperactivity disorder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of attention deficit hyperactivity disorder

1987


Medical Dictionary

attention deficit hyperactivity disorder

noun
variants: or attention-deficit hyperactivity disorder or attention-deficit/hyperactivity disorder

medical Definition of attention deficit hyperactivity disorder

:attention deficit disorder
  • Attention deficit hyperactivity disorder is the most common pediatric psychiatric condition, estimated to affect 2 percent to 9 percent of American children, mostly boys.
  • —Susan GilbertThe New York Times16 Sept. 1997
  • … the drug that has come to symbolize our particular predicaments is Ritalin, the widely prescribed treatment for attention-deficit hyperactivity disorder, or attention-deficit disorder, as it is more popularly known.
  • —Malcolm GladwellThe New Yorker15 Feb. 1999
  • Discoveries in neuroscience are reinforcing a growing consensus that attention-deficit/hyperactivity disorder (ADHD), as it is officially known, is not just a set of behavior problems but a biologically based disorder of brain function.
  • Harvard Mental Health LetterFebruary 2006
abbreviation ADHD

Seen and Heard

What made you want to look up attention deficit hyperactivity disorder? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

marked by intense feeling

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!