overactive

[oh-ver-ak-tiv]
adjective
exceptionally or excessively active; too active.

Origin:
1640–50; over- + active

overactivity, overactiveness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To overactive
Collins
World English Dictionary
overactive (ˌəʊvərˈæktɪv)
 
adj
1.  inordinately active
2.  (of the thyroid or adrenal gland, nervous system, etc) functioning at too high a capacity

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
Which is not to say there are no hazards from an overactive sun.
If decrepitude is driven by an overactive immune system, then it is treatable.
Strabismus, commonly known as cross-eye, is caused by an overactive eye muscle.
The result is an overactive immune response that leads to chronic inflammation.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;