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Webster's New World College Dictionary » hyperactivity
hyperactivity
Variant of hyperactive
hyperactive
definition
hyper·ac·tive (hī′pər ak′tiv)
adjective
extremely, esp. abnormally, active
Related Forms:
- hyperactivity hy′per·ac·tiv′·ity (-ak tiv′ə tē) noun
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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