hyperactive

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adjective hy·per·ac·tive \ˌhī-pər-ˈak-tiv\

Definition of hyperactive

  1. 1 :  affected with or exhibiting hyperactivity; broadly :  more active than is usual or desirable

  2. 2 :  intricately or elaborately designed or detailed

hyperactive

noun

Examples of hyperactive in a Sentence

  1. the skyrocketing price of oil resulted in a wildly fluctuating, hyperactive stock market

  2. hyperactive children who are in dire need of a guardian with a firm hand

1867

First Known Use of hyperactive

1867


HYPERACTIVE Defined for English Language Learners

hyperactive

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adjective hy·per·ac·tive \ˌhī-pər-ˈak-tiv\

Definition of hyperactive for English Language Learners

  • : extremely active or too active


HYPERACTIVE Defined for Kids

hyperactive

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adjective hy·per·ac·tive \ˌhī-pər-ˈak-tiv\

Definition of hyperactive for Students

  1. :  extremely or overly active


Medical Dictionary

1

hyperactive

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adjective hy·per·ac·tive \ˌhī-pə-ˈrak-tiv\

Medical Definition of hyperactive

  1. :  affected with or exhibiting hyperactivity Scientists suspect in certain genetically susceptible people, the immune cells remain hyperactive long after the infectious agent has been cleared from the body.—Kathy Fackelmann, Science News, 23 Oct. 1993 A growing number of parents suspect that the powerful stimulant Ritalin—long prescribed for its paradoxically tranquilizing effect on hyperactive children—has become a convenience for teachers seeking quiet classrooms …—David Gates. Newsweek, 23 Nov. 1987; broadly :  more active than is usual or desirable


2

hyperactive

noun hy·per·ac·tive

Medical Definition of hyperactive

  1. :  an individual who is hyperactive



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