1
as in excited
being in a state of increased activity or agitation
the skyrocketing price of oil resulted in a wildly fluctuating, hyperactive stock market
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in excitable
easily excited by nature
hyperactive children who are in dire need of a guardian with a firm hand
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of hyperactive
As estrogen decreases during menopause, nerves in the hypothalamus — an almond-size region deep inside the brain whose functions include helping regulate the body’s thermostat — become hyperactive and produce an overabundance of chemical signals called neurokinins.
—
Jacqueline Howard, CNN Money, 24 Oct. 2025
Reading poetry out loud also requires us to pause for punctuation or line breaks, increasing our parasympathetic tone and dampening our hyperactive sympathetic nervous system.
—K.j.s. “sunny” Anand, Time, 15 Oct. 2025
Consider children who have five inattentive symptoms and five hyperactive-impulsive symptoms.
—Carol Mathews, The Conversation, 15 Oct. 2025
Some canines might feel helplessness, unable to control the environment, with some becoming aggressive or hyperactive.
—Liz O'Connell, MSNBC Newsweek, 14 Oct. 2025
See All Example Sentences for hyperactive
Jacqueline Howard, CNN Money, 24 Oct. 2025
Reading poetry out loud also requires us to pause for punctuation or line breaks, increasing our parasympathetic tone and dampening our hyperactive sympathetic nervous system.
—K.j.s. “sunny” Anand, Time, 15 Oct. 2025
Consider children who have five inattentive symptoms and five hyperactive-impulsive symptoms.
—Carol Mathews, The Conversation, 15 Oct. 2025
Some canines might feel helplessness, unable to control the environment, with some becoming aggressive or hyperactive.
—Liz O'Connell, MSNBC Newsweek, 14 Oct. 2025
See All Example Sentences for hyperactive
Recent Examples of Synonyms for hyperactive
Adjective
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Scherzinger glowed with an excited expression, her arms raised again in the air.—
Danielle Minnetian,
FOXNews.com,
9 Jan. 2026
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A lot of us are excited to refresh our spaces in the new year.—
Shagun Khare,
The Spruce,
9 Jan. 2026
Adjective
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Golden retrievers of all ages — from excitable puppies playing in the mud to more mature canines roaming in Santa hats and fairy costumes — filled the park as owners sat drinking yerba mate, a typical Argentine drink, and taking pictures.—
Miguel Lo Bianco,
USA Today,
16 Dec. 2025
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Skeptical journalists, excitable influencers, and industry insiders alike all climbed aboard an open-top bus for a sightseeing tour of London that culminated at a cramped and stifling-hot theater.—
Tim Pitt,
Robb Report,
7 Dec. 2025
Adjective
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Video shows a New York Rangers fan push a Boston Bruins fan down the stairs at TD Garden after a series of heated exchanges, court documents reveal.—
Riley Rourke,
CBS News,
13 Jan. 2026
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On Monday, Watkins and Hulsey had to be separated by the on-duty sergeant before their heated face-off escalated during a recess.—
Rachel Royster,
Fort Worth Star-Telegram,
13 Jan. 2026
Adjective
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From a portable power bank to keep your phone charged to noise-canceling headphones that will drown out stressful sounds, these travel accessories will help nervous fliers and frequent travelers alike have easier journeys.—
Alesandra Dubin,
Travel + Leisure,
9 Jan. 2026
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But now there's a new robo-tech in town, and my Roadie 3 is looking very nervous indeed.—
New Atlas,
New Atlas,
9 Jan. 2026
Adjective
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But Colcord kept probing, and Lowell grew agitated.—
Michael Waters,
New Yorker,
3 Jan. 2026
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Players from both teams shoved in front of the Providence bench, with Jones stepping in the middle as an agitated Ejiofor exchanged words with Powell.—
Peter Sblendorio,
New York Daily News,
3 Jan. 2026
Adjective
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Blood in the Urine C3G is a rare disease that occurs when the complement system (part of the immune system) becomes overactive.—
Carrie Madormo,
Health,
12 Jan. 2026
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Why Proteinuria Occurs With C3G Complement 3 glomerulopathy is caused when the complement system—a part of the immune system that fights infection—becomes overactive.—
MD Published,
Verywell Health,
12 Jan. 2026
Cite this Entry
“Hyperactive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hyperactive. Accessed 17 Jan. 2026.
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