hyperactive
adjective
hy·per·ac·tive
ˌhī-pər-ˈak-tiv 
1
: affected with or exhibiting hyperactivity
broadly
: more active than is usual or desirable
2
: intricately or elaborately designed or detailed
hyperactive
noun
Synonyms
Examples of hyperactive in a Sentence
the skyrocketing price of oil resulted in a wildly fluctuating, hyperactive stock market
hyperactive children who are in dire need of a guardian with a firm hand
Recent Examples on the Web
That adorable and hyperactive kid, Mia (Dzada Selim), is her little half-sister.
—
David Fear, Rolling Stone, 3 Apr. 2024
But her character is also the most theatrically hyperactive of this lot, having been saddled with menopausal hot flashes and a deep insecurity complex over never having learned Spanish, despite her Mexican family heritage.
—Chris Willman, Variety, 24 Mar. 2024
Now, an internationally hyperactive Russia wants to remake Europe’s entire security architecture through war.
—Liana Fix, Foreign Affairs, 22 Mar. 2024
Sophia, his longtime victim who spent a few years in the group’s clutches, describes Riley as charismatic, fluent in English, and hyperactive in growing 764 after Cadenhead’s arrest.
—Ali Winston, WIRED, 13 Mar. 2024
Otherwise, only contact your local Arizona Game and Fish Department office if a bobcat has been acting overly aggressive or hyperactive.
—The Arizona Republic, 25 Jan. 2024
Ocean temperatures in the North Atlantic are historically warm for this early in the year, raising the risk of a hyperactive storm season that could also be supercharged by a budding La Niña.
—Mary Gilbert, CNN, 18 Feb. 2024
The alliance forged between American diplomacy and modern art against Soviet propaganda isn’t a figment of the author’s hyperactive imagination.
—Charles McNulty, Los Angeles Times, 3 Feb. 2024
And finally is Carl’s hyperactive and impulsive squirrel friend Forrest, who has a tree nut allergy but is always up for an adventure or two.
—Abbey White, The Hollywood Reporter, 9 Nov. 2023
David Fear, Rolling Stone, 3 Apr. 2024
But her character is also the most theatrically hyperactive of this lot, having been saddled with menopausal hot flashes and a deep insecurity complex over never having learned Spanish, despite her Mexican family heritage.
—Chris Willman, Variety, 24 Mar. 2024
Now, an internationally hyperactive Russia wants to remake Europe’s entire security architecture through war.
—Liana Fix, Foreign Affairs, 22 Mar. 2024
Sophia, his longtime victim who spent a few years in the group’s clutches, describes Riley as charismatic, fluent in English, and hyperactive in growing 764 after Cadenhead’s arrest.
—Ali Winston, WIRED, 13 Mar. 2024
Otherwise, only contact your local Arizona Game and Fish Department office if a bobcat has been acting overly aggressive or hyperactive.
—The Arizona Republic, 25 Jan. 2024
Ocean temperatures in the North Atlantic are historically warm for this early in the year, raising the risk of a hyperactive storm season that could also be supercharged by a budding La Niña.
—Mary Gilbert, CNN, 18 Feb. 2024
The alliance forged between American diplomacy and modern art against Soviet propaganda isn’t a figment of the author’s hyperactive imagination.
—Charles McNulty, Los Angeles Times, 3 Feb. 2024
And finally is Carl’s hyperactive and impulsive squirrel friend Forrest, who has a tree nut allergy but is always up for an adventure or two.
—Abbey White, The Hollywood Reporter, 9 Nov. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hyperactive.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near hyperactive
Cite this Entry
“Hyperactive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperactive. Accessed 19 Apr. 2024.
Copy CitationKids Definition
hyperactive
adjective
hy·per·ac·tive
ˌhī-pər-ˈak-tiv
: very active especially to an abnormal amount
hyperactivity
noun
-ak-ˈtiv-ət-ē
Medical Definition
hyperactive
1 of 2 adjective
hy·per·ac·tive
ˌhī-pə-ˈrak-tiv
: affected with or exhibiting hyperactivity
Scientists suspect in certain genetically susceptible people, the immune cells remain hyperactive long after the infectious agent has been cleared from the body.—Kathy Fackelmann, Science News
Kathy Fackelmann, Science NewsA growing number of parents suspect that the powerful stimulant Ritalin—long prescribed for its paradoxically tranquilizing effect on hyperactive children—has become a convenience for teachers seeking quiet classrooms …—David Gates. Newsweek
David Gates. Newsweek
broadly
: more active than is usual or desirable
hyperactive
2 of 2 noun
: an individual who is hyperactive
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