as in heated
being in a state of increased activity or agitation
the boy manages to panic himself by his own overactive imagination
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Example Sentences
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Recent Examples of overactive
Sepsis is caused by an overactive immune response to infection.
—
Michael L. Millenson, Forbes.com, 22 May 2025
Hypothyroidism is an underactive thyroid gland, and hyperthyroidism is an overactive thyroid gland.
—Colleen Doherty, Verywell Health, 12 May 2025
How Allergies Can Lead to Dizziness Allergies are caused by your immune system having an overactive response to an allergen.
—Lindsay Curtis, Health, 25 Apr. 2025
This was different from the oohs and ahhs at Marvel products, whose viewers merely go along with standard overactive, violent manipulation.
—Armond White, National Review, 16 Apr. 2025
See All Example Sentences for overactive
Michael L. Millenson, Forbes.com, 22 May 2025
Hypothyroidism is an underactive thyroid gland, and hyperthyroidism is an overactive thyroid gland.
—Colleen Doherty, Verywell Health, 12 May 2025
How Allergies Can Lead to Dizziness Allergies are caused by your immune system having an overactive response to an allergen.
—Lindsay Curtis, Health, 25 Apr. 2025
This was different from the oohs and ahhs at Marvel products, whose viewers merely go along with standard overactive, violent manipulation.
—Armond White, National Review, 16 Apr. 2025
See All Example Sentences for overactive
Recent Examples of Synonyms for overactive
Adjective
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The Los Angeles Dodgers are in the midst of some heated division rivalry matchups, facing the San Francisco Giants after winning their series with the San Diego Padres and with another Padres series looming next.—
Peter Chawaga,
MSNBC Newsweek,
15 June 2025
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Guests get unlimited access to group classes and personal training, plus an indoor saltwater pool, a heated outdoor pool with panoramic views of Manhattan, and our favorite, the outdoor barrel saunas.—
Alisha Prakash,
Travel + Leisure,
14 June 2025
Adjective
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That had Vidovic excited about placing this team at the top of the state’s history list.—
Jeff Vorva,
Chicago Tribune,
8 June 2025
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Kids might be excited about the end of the school year and for summer to begin, but many working parents who don’t know how to fill their kids’ long summer days may be feeling some dread right about now.—
Medora Lee,
USA Today,
8 June 2025
Adjective
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Ernst faced a number of agitated constituents at a town hall on Friday who expressed concerns that Republican cuts to Medicaid in the bill that would fund Trump's legislative agenda.—
Benjamin Siegel,
ABC News,
2 June 2025
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Published in 2019, the book follows a woman named Lillian who becomes the caretaker of her old friend Madison's twin stepchildren — who spontaneously ignite in flames when agitated.—
Rachel Raposas,
People.com,
2 June 2025
Adjective
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Attention-Deficit/Hyperactivity Disorder has long been seen as a childhood condition, typically associated with hyperactive boys disrupting classrooms.—
Cheryl Robinson,
Forbes.com,
6 June 2025
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The videos are depraved yet sophisticated, hyperactive yet requiring devotional attention to narrative, and gonzo yet replete with naked emblems of cultural fears around.—
Ryan Coleman,
EW.com,
21 May 2025
Cite this Entry
“Overactive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/overactive. Accessed 19 Jun. 2025.
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