Definition of overactive
: excessively or abnormally active <overactive glands> <an overactive imagination>
overactivityplay \-ak-ˈti-və-tē\ noun
Examples of overactive in a sentence
She has an overactive bladder.
His crazy ideas are products of an overactive imagination.
First Known Use of overactive
OVERACTIVE Defined for English Language Learners
Definition of overactive for English Language Learners
: too active especially in a way that produces a bad result
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