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
These proteins, like tissue inhibitor of metalloproteinases-3 (TIMP3) and adenosine deaminase (ADA), are known to regulate inflammation by suppressing overactive immune responses, supporting healthy cellular communication and improving insulin production.
—
Angelica P. Ahrens, The Conversation, 21 Apr. 2026
This showcases the importance of efforts by the White House and the Supreme Court to rein in an overactive regulatory state that often acts without proper authority from Congress.
—Editorial, Boston Herald, 18 Apr. 2026
Getting a good sweat in always cleared my head and reset my overactive nervous system.
—Sam Tabachnik, Denver Post, 7 Apr. 2026
How heat affects pigmentation Melasma is caused by overactive pigment-producing cells called melanocytes.
—Leslie Baumann, Miami Herald, 20 Mar. 2026
See All Example Sentences for overactive
Angelica P. Ahrens, The Conversation, 21 Apr. 2026
This showcases the importance of efforts by the White House and the Supreme Court to rein in an overactive regulatory state that often acts without proper authority from Congress.
—Editorial, Boston Herald, 18 Apr. 2026
Getting a good sweat in always cleared my head and reset my overactive nervous system.
—Sam Tabachnik, Denver Post, 7 Apr. 2026
How heat affects pigmentation Melasma is caused by overactive pigment-producing cells called melanocytes.
—Leslie Baumann, Miami Herald, 20 Mar. 2026
See All Example Sentences for overactive
Recent Examples of Synonyms for overactive
Adjective
-
Thrust into a heated debate DeLauro was thrust into the spotlight this week after a heated exchange with EPA administrator Lee Zeldin over climate change during a congressional hearing when the EPA proposed sharply cutting its budget.—
Livi Stanford,
Hartford Courant,
1 May 2026
-
Each of those moments ignited heated social media debates.—
Jackson Thompson OutKick,
FOXNews.com,
1 May 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
-
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
-
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
-
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
-
After 24 hours at 4G, flies stayed hyperactive for weeks.—
Aamir Khollam,
Interesting Engineering,
1 May 2026
-
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 3 May. 2026.
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