Definition of hyperactive in English:

hyperactive

Syllabification: hy·per·ac·tive
Pronunciation: /ˌhīpərˈaktiv
 
/

adjective

  • 1Abnormally or extremely active: a hyperactive pituitary gland
    More example sentences
    • After about five days patients enter a second phase in which they are restless but not hyperactive or hostile and are now cooperative.
    • The hyperactive groups, however, did not differ from each other in the number of time estimation errors.
    • So where does this tale of abnormal, sane, hyperactive ambition begin?
  • 1.1(Of a child) showing constantly active and sometimes disruptive behavior.
    More example sentences
    • I have three hyperactive children and two of them have behavioural problems, so I really need a job I can do at home.
    • Blue softens the energy of hyperactive children's rooms.
    • Willoughby, an attention-seeking hyperactive child, was, by his mid to late teens, violently deranged.

Derivatives

hyperactivity

Pronunciation: /-ˌakˈtivitē/
noun
More example sentences
  • The United States' destructive hyperactivity in Iraq cannot be disentangled from its neglect of global warming.
  • And they warned these colourings have been linked to allergies, asthma, migraines, hyperactivity in children and even cancer.
  • Each teacher was asked to respond to the 13 items relating to hyperactivity as exhibited in the classroom context.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody