overactive
adjective
over·ac·tive
ˌō-vər-ˈak-tiv 
: excessively or abnormally active
overactive glands
an overactive imagination
Synonyms
Examples of overactive in a Sentence
She has an overactive bladder.
His crazy ideas are products of an overactive imagination.
Recent Examples on the Web
This type of condition occurs when an overactive immune system mistakes healthy cells for foreign substances and attacks them.
—
Anna Giorgi, Verywell Health, 11 July 2024
Eating fruit also helps prevent constipation, which can sometimes affect people with an overactive bladder.9
6.
—Anne Harding, Health, 29 June 2024
Women with overactive bladders often have unusual patterns of brain activity, Clarkson and other groups have found.
—Emily Underwood, Smithsonian Magazine, 5 June 2024
That said, research shows that Botox functions better as a short-term treatment given it cannot cure overactive bladder; the goal, rather, is to help control or lessen symptoms, Wood said.
—Katie Camero, USA TODAY, 15 Apr. 2024
See all Example Sentences for overactive 
Anna Giorgi, Verywell Health, 11 July 2024
Eating fruit also helps prevent constipation, which can sometimes affect people with an overactive bladder.9
6.
—Anne Harding, Health, 29 June 2024
Women with overactive bladders often have unusual patterns of brain activity, Clarkson and other groups have found.
—Emily Underwood, Smithsonian Magazine, 5 June 2024
That said, research shows that Botox functions better as a short-term treatment given it cannot cure overactive bladder; the goal, rather, is to help control or lessen symptoms, Wood said.
—Katie Camero, USA TODAY, 15 Apr. 2024
See all Example Sentences for overactive
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'overactive.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near overactive
Cite this Entry
“Overactive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overactive. Accessed 26 Jul. 2024.
Copy CitationKids Definition
overactive
adjective
over·ac·tive
ˌō-və-ˈrak-tiv
: very active and especially abnormally so
an overactive thyroid
Medical Definition
overactive
adjective
over·ac·tive
ˌō-və-ˈrak-tiv
: excessively or abnormally active
an overactive mind
overactive glands
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