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 therapy can also suppress an overactive immune system, reduce inflammation, and relieve itching.12
A dermatologist may use a handheld device resembling a blow dryer to treat scalp psoriasis.
—
Cathy Cassata, Health, 22 June 2024
Age spots: Age spots are caused by overactive pigment cells.
—Tribune News Service, The Mercury News, 21 June 2024
The company also will use the funding to advance its pipeline of treatments for other conditions such as overactive bladder, autism and inflammatory skin disorder.
—Natallie Rocha, San Diego Union-Tribune, 12 June 2024
And not everyone with overactive bladder syndrome has an overactive detrusor muscle, prompting some scientists to ask if the problem for some patients lies elsewhere in the body, such as inside the brain.
—Emily Underwood, Smithsonian Magazine, 5 June 2024
See all Example Sentences for overactive 
Cathy Cassata, Health, 22 June 2024
Age spots: Age spots are caused by overactive pigment cells.
—Tribune News Service, The Mercury News, 21 June 2024
The company also will use the funding to advance its pipeline of treatments for other conditions such as overactive bladder, autism and inflammatory skin disorder.
—Natallie Rocha, San Diego Union-Tribune, 12 June 2024
And not everyone with overactive bladder syndrome has an overactive detrusor muscle, prompting some scientists to ask if the problem for some patients lies elsewhere in the body, such as inside the brain.
—Emily Underwood, Smithsonian Magazine, 5 June 2024
See all Example Sentences for overactive
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Dictionary Entries Near overactive
Cite this Entry
“Overactive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overactive. Accessed 4 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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