attention deficit hyperactivity disorder definition, meaning - what is attention deficit hyperactivity disorder in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “attention deficit hyperactivity disorder”

See all translations

attention deficit hyperactivity disorder

noun [U] uk   us   (abbreviation ADHD) UK
a condition in which someone, especially a child, is often in a state of activity or excitement and unable to direct their attention towards what they are doing Note: This condition is usually called 'attention deficit disorder' in the US.
Translations of “attention deficit hyperactivity disorder”
in Chinese (Traditional) (尤指兒童的)注意力缺乏,過度活躍症,過動症…
in Chinese (Simplified) (尤指儿童的)注意力缺乏多动障碍…
(Definition of attention deficit hyperactivity disorder from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of attention deficit hyperactivity disorder?
Add Cambridge dictionaries to your browser to your website

Word of the Day

gale-force

(of winds) very strong

Word of the Day

They sometimes go here and they never go there: using adverbs of frequency

by Liz Walter,
April 29, 2015
Sometimes, always, often, never: these are some of the most common words in English.  Unfortunately, they are also some of the words that cause the most problems for students. Many of my students put them in the wrong place, often because that’s where they go in their own languages. They say things

Read More 

Evel abbreviation

May 04, 2015
English votes for English laws; the idea that only English (as opposed to Scottish, Welsh or Irish) MPs should be allowed to vote for laws that affect only England Yet these are the two principal constitutional proposals that have come from the Conservative party in its kneejerk response to Ukip’s English nationalism and

Read More