Definition of hyperactive in English:

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hyperactive

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.
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.

For editors and proofreaders

Syllabification: hy·per·ac·tive

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