hyperactivity
[ hahy-per-ak-tiv-i-tee ]
/ ˌhaɪ pər ækˈtɪv ɪ ti /
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noun
the condition of being hyperactive.
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Origin of hyperactivity
First recorded in 1885–90; hyperactive + -ity
Words nearby hyperactivity
hyped-up, hyper, hyperaccumulator, hyperacidity, hyperactive, hyperactivity, hyperacusis, hyperadenosis, hyperadiposis, hyperadrenocorticalism, hyperaemia
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for hyperactivity
Medical definitions for hyperactivity
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for hyperactivity
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.