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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Bowe is excited for the 2026 Winter Games — particularly the return to fans in the stands, as they were still barred from attending in 2022 due to the COVID-19 pandemic.—
Sean Neumann,
PEOPLE,
26 Jan. 2026
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Strassler is particularly excited about the study of radioactive thorium-229 decay, which could reveal variations in the fundamental constants.—
Quanta Magazine,
Quanta Magazine,
26 Jan. 2026
Adjective
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By 1984, each of the British new wave gods’ first three albums had gone platinum, their cinematic videos were regularly rotated on MTV, and nonstop global touring attracted Swiftian levels of excitable fans.—
A.D. Amorosi,
Variety,
24 Jan. 2026
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The venue was crammed with excitable 20- and 30-something women, among them Willa Bennett, the editor of Cosmopolitan and Seventeen.—
Carrie Battan,
Vulture,
15 Jan. 2026
Adjective
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Law enforcement experts who reviewed the videos for CNN said the officers’ use of deadly force likely stemmed from lack of training or a failure by the agents to follow it during the heated encounter.—
Yahya Abou-Ghazala,
CNN Money,
30 Jan. 2026
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Within the heated tent, visitors can also enjoy live acoustic music by local musician Jamey Darnold.—
Aurora Beacon-News,
Chicago Tribune,
30 Jan. 2026
Adjective
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New York — A nervous mood swept through markets Tuesday as stocks stumbled and bitcoin hit its lowest level since November 2024.—
John Towfighi,
CNN Money,
3 Feb. 2026
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Glasser was still nervous (as if a last-minute, late-night trip to Staples wasn’t enough to wear on her nerves).—
Sophia Panych,
Allure,
3 Feb. 2026
Adjective
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Harris, in particular, looks agitated, and just before walking through the curtains to take her place on stage, lets out a heavy sigh.—
Kyler Alvord,
PEOPLE,
30 Jan. 2026
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They easily could have been mistaken for agitated sports fans, and their actions were small and diffuse enough that they could be quickly dispersed.—
Davood Moradian,
The Atlantic,
26 Jan. 2026
Adjective
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Much of the onscreen conflict involves Colin’s parents, who, unlike their literary counterparts, know that their son is gay and take an embarrassingly overactive role in nurturing his love life.—
Justin Chang,
New Yorker,
30 Jan. 2026
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Melasma is triggered by hormonal shifts after birth, especially changes in estrogen, which can keep pigment-producing cells overactive even after delivery.—
Alex Vance,
Parents,
29 Jan. 2026
Cite this Entry
“Hyperactive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hyperactive. Accessed 6 Feb. 2026.
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