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overactive

[oh-ver-ak-tiv] /ˌoʊ vərˈæk tɪv/
adjective
1.
exceptionally or excessively active; too active.
Origin
1640-1650
1640-50; over- + active
Related forms
overactivity, overactiveness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for overactivity

overactive

/ˌəʊvərˈæktɪv/
adjective
1.
inordinately active
2.
(of the thyroid or adrenal gland, nervous system, etc) functioning at too high a capacity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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