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
The Immune System in Overdrive At the center of HS is an overactive immune response—one that begins with a seemingly small event inside the hair follicle.
—
Lauryn Higgins, Flow Space, 6 May 2026
Studies show the drug works by affecting brain chemicals such as glutamate and dopamine to help calm the overactive signals in the brain linked to agitation.
—Dr. Jennifer Miao, ABC News, 1 May 2026
Red or Dark Skin With an overactive thyroid, your circulation increases.
—Brandi Jones, Health, 28 Apr. 2026
Who Gets the Most Out of L-Theanine The evidence is clearest for people whose main sleep barrier is anxiety or an overactive mind at bedtime.
—Allison Palmer, Charlotte Observer, 23 Apr. 2026
See All Example Sentences for overactive
Lauryn Higgins, Flow Space, 6 May 2026
Studies show the drug works by affecting brain chemicals such as glutamate and dopamine to help calm the overactive signals in the brain linked to agitation.
—Dr. Jennifer Miao, ABC News, 1 May 2026
Red or Dark Skin With an overactive thyroid, your circulation increases.
—Brandi Jones, Health, 28 Apr. 2026
Who Gets the Most Out of L-Theanine The evidence is clearest for people whose main sleep barrier is anxiety or an overactive mind at bedtime.
—Allison Palmer, Charlotte Observer, 23 Apr. 2026
See All Example Sentences for overactive
Recent Examples of Synonyms for overactive
Adjective
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There's a heated outdoor pool and hot tub at the base of the mountain.—
Condé Nast,
Condé Nast Traveler,
12 June 2026
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Drafts, poor insulation and air leaks can undermine even the most efficient furnace, allowing heated air to escape and forcing the system to work harder.—
Alora Bopray,
USA Today,
12 June 2026
Adjective
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While much has been made of the eight-floor Obama Presidential Museum, many in the communities around the soon-to-open presidential library complex are excited to enjoy the outdoor spaces with friends and family.—
Shardaa Gray,
CBS News,
15 June 2026
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Libraries open opportunities to get excited and relax, discover and reminisce, be challenged and comforted.—
Darcel Rockett,
Chicago Tribune,
15 June 2026
Adjective
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According to witnesses interviewed by local police, Hall became agitated after taking a significant quantity of drugs.—
Julia Moore,
PEOPLE,
16 June 2026
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That was intentional, as a smiling Caballero admitted to enjoying the moment after the warning left him perplexed and agitated.—
Gary Phillips,
New York Daily News,
15 June 2026
Adjective
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And while Every Single Muscle may not be a concept album, its focus on the human body is intense and consistent to support a hyperactive number of songs and styles packed together.—
Alex Robert Ross,
Pitchfork,
8 June 2026
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The stars and creators of Scary Movie tell EW about their hyperactive new comedy, which even stretches beyond the bounds of horror to films like Michael and Wicked.—
Ryan Coleman,
Entertainment Weekly,
5 June 2026
Cite this Entry
“Overactive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/overactive. Accessed 18 Jun. 2026.
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