hyperactivity

[hahy-per-ak-tiv-i-tee]

See more synonyms for hyperactivity on Thesaurus.com

noun

the condition of being hyperactive.
hyperkinesia.

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Origin of hyperactivity

First recorded in 1885–90; hyperactive + -ity

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

add ADHD hyperactivity

Examples from the Web for hyperactivity

Contemporary Examples

ADHD is a chronic condition that includes difficulty sustaining attention, hyperactivity and impulsive behavior.
Faking ADHD Gets You Into Harvard
Heidi Mitchell
January 25, 2012

Historical Examples

Atony and hyperactivity may be overcome by appropriate educational remedies which we will now discuss.
Montessori Elementary Materials
Maria Montessori

Word Origin and History for hyperactivity

n.

1852, from hyper- + activity.

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Online Etymology Dictionary, © 2010 Douglas Harper

hyperactivity in Medicine

hyperactivity

(hī′pər-ăk-tĭv′ĭ-tē)

n.

A general restlessness or excess of movement, as that in children with minimal brain dysfunction or hyperkinesis.

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

hyperactivity in Science

hyperactivity

[hī′pər-ăk-tĭv′ĭ-tē]

An abnormally high level of activity or excitement shown by a person, especially a child, that interferes with the ability to concentrate or interact with others.

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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.