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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Recent Examples of overactive
How heat affects pigmentation Melasma is caused by overactive pigment-producing cells called melanocytes.
—
Leslie Baumann, Miami Herald, 20 Mar. 2026
There are reasons to believe CAR-T therapy may be able to target the same overactive B cells that current multiple sclerosis drugs already do.
—Kaitlin Sullivan, NBC news, 15 Mar. 2026
Where Co-Existing Conditions Come In There are also skin conditions that affect Black women at higher rates, including melasma, which can cause discoloration from overactive pigment cells.
—Iyana Robertson, Flow Space, 10 Mar. 2026
The series uses the recurring narrative device of Sherlock’s vivid, overactive imagination as a way to re-examine evidence.
—Max Gao, Variety, 5 Mar. 2026
See All Example Sentences for overactive
Leslie Baumann, Miami Herald, 20 Mar. 2026
There are reasons to believe CAR-T therapy may be able to target the same overactive B cells that current multiple sclerosis drugs already do.
—Kaitlin Sullivan, NBC news, 15 Mar. 2026
Where Co-Existing Conditions Come In There are also skin conditions that affect Black women at higher rates, including melasma, which can cause discoloration from overactive pigment cells.
—Iyana Robertson, Flow Space, 10 Mar. 2026
The series uses the recurring narrative device of Sherlock’s vivid, overactive imagination as a way to re-examine evidence.
—Max Gao, Variety, 5 Mar. 2026
See All Example Sentences for overactive
Recent Examples of Synonyms for overactive
Adjective
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Even delicately putting your hands on someone in that heated situation is crossing a personal boundary.—
Brian Moylan,
Vulture,
24 Apr. 2026
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There’s a heated pool and hot tub (the latter is on an elevated bluff, which offers sunset views), and an outdoor shower lets guests soak in the surrounding nature as much as possible.—
Nicole Kliest,
Vogue,
24 Apr. 2026
Adjective
-
This is a fan base reveling in the first playoff experience in 15 years, and the Sabres have given them plenty to get excited about.—
Matthew Fairburn,
New York Times,
27 Apr. 2026
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Was so excited to make these and they were ruined by your poor recipe like many others!—
Christopher Kostow,
Bon Appetit Magazine,
27 Apr. 2026
Adjective
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The antipsychotic drug chlorpromazine, derived from a clothing dye called methylene blue, was first tested on agitated and delusional patients in 1952.—
Literary Hub,
Literary Hub,
28 Apr. 2026
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Trump has long agitated for changes at CNN, and few expect his Justice Department to block the transaction.—
Meg James,
Los Angeles Times,
23 Apr. 2026
Adjective
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Moreover, these hyperactive behaviors became even more intense as the study progressed, showing a lasting shift in how the fish navigated their environment.—
Mrigakshi Dixit,
Interesting Engineering,
20 Apr. 2026
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Check out the full list of stops, which comes with support from the similarly hyperactive Dazegxd, below.—
Jazz Monroe,
Pitchfork,
20 Apr. 2026
Cite this Entry
“Overactive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/overactive. Accessed 1 May. 2026.
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