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hyperactive

 - 5 dictionary results

hy⋅per⋅ac⋅tive

[hahy-per-ak-tiv]
–adjective
1. unusually or abnormally active: a company's hyperactive growth; the child's hyperactive imagination.
2. (of children) displaying exaggerated physical activity sometimes associated with neurologic or psychologic causes.
3. hyperkinetic.

Origin:
1865–70; hyper- + active


hy⋅per⋅ac⋅tion [hahy-per-ak-shuhn] , noun
hy⋅per⋅ac⋅tive⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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hy·per·ac·tive   (hī'pər-āk'tĭv)   
adj.  
  1. Highly or excessively active: a hyperactive thyroid gland.

    1. Having behavior characterized by overactivity.

    2. Having attention deficit disorder. Not in scientific use.

hy'per·ac'tive·ly adv., hy'per·ac·tiv'i·ty n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: 1hy·per·ac·tive
Pronunciation: "hI-p&-'rak-tiv
Function: adjective
: affected with or exhibitinghyperactivity; broadly : more active than is usual or desirable

Main Entry: 2hyperactive
Function: noun
: an individual who is hyperactive
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

hyperactive hy·per·ac·tive (hī'pər-āk'tĭv)
adj.

  1. Highly or excessively active, as a gland.

  2. Having behavior characterized by constant overactivity.

  3. Afflicted with attention deficit disorder.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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