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overactive

[ oh-ver-ak-tiv ]
/ ˌoʊ vərˈæk tɪv /
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adjective
exceptionally or excessively active; too active.
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Origin of overactive

First recorded in 1640–50; over- + active

OTHER WORDS FROM overactive

o·ver·ac·tiv·i·ty, o·ver·ac·tive·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use overactive in a sentence

British Dictionary definitions for overactive

overactive
/ (ˌəʊvərˈæktɪv) /

adjective
inordinately active
(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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