hyperactive

adjective
hy·​per·​ac·​tive | \ˌhī-pər-ˈak-tiv \

Definition of hyperactive 

1 : affected with or exhibiting hyperactivity broadly : more active than is usual or desirable

2 : intricately or elaborately designed or detailed

Keep scrolling for more

Other Words from hyperactive

hyperactive noun

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

Yet even for a puppy, Phoebe seemed hyperactive — running, sliding, and skidding around Dr. Berman's examining room floor. Alison Rose, Town & Country, "Park Avenue's Pet Whisperer," 3 Sep. 2014 Lethem is in an absurdist, hyperactive mode here, piling contemporary social anxieties on top of a ragged vision of frontier living, and if the results are mixed, the novel is nevertheless packed with surprises and vivid, apocalyptic tableaux. Vogue, "Need a New Read? Here Are the 4 Books We’re Loving Right Now," 15 Nov. 2018 Making It has an almost manic, hyperactive pleasantness. Cady Drell, Marie Claire, "Making It Is for Taking Care of Yourself Responsibly," 14 Aug. 2018 Students who reported often experiencing 6 or more inattentive or hyperactive-impulsive symptoms were found to be ADHD symptom-positive, according to JAMA. Brooke Crothers, Fox News, "Alarming study shows link between digital media use and ADHD," 19 July 2018 But after the hyperactive, popular Roosevelt, Taft seemed staid, uninspiring, flaccid. Gerard Helferich, WSJ, "‘William Howard Taft’ Review: Taking the Bully Out of the Pulpit," 19 Mar. 2018 On Twitter The lawsuit comes as Aldrin’s verified Twitter account with 1.4 million followers, @TheRealBuzz, became hyperactive on June 18 after more than a month of dormancy. Eric Berger, Ars Technica, "Buzz Aldrin returns to Twitter, sues his son and former manager," 23 June 2018 A month later, Lee went to Hong Kong with his parents and stayed for 18 years, growing up as the rebellious son of a privileged family, a hyperactive kid who picked fights, loved attention, and was a talented actor and dancer. Jeff Baker, The Seattle Times, "‘Bruce Lee: A Life’: a remarkable life, from Seattle to Hong Kong," 26 June 2018 Last year’s hyperactive hurricane season ruined so many vacations, including yours, unfortunately. Christopher Elliott, BostonGlobe.com, "A hurricane ruined his St. Thomas honeymoon, so why is the airline keeping his money?," 13 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hyperactive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of hyperactive

1867, in the meaning defined at sense 1

Keep scrolling for more

Learn More about hyperactive

Share hyperactive

Statistics for hyperactive

Last Updated

12 Dec 2018

Look-up Popularity

Time Traveler for hyperactive

The first known use of hyperactive was in 1867

See more words from the same year

Keep scrolling for more

More Definitions for hyperactive

hyperactive

adjective

English Language Learners Definition of hyperactive

: extremely active or too active

hyperactive

adjective
hy·​per·​ac·​tive | \ˌhī-pər-ˈak-tiv \

Kids Definition of hyperactive

: extremely or overly active

hyperactive

adjective
hy·​per·​ac·​tive | \ˌhī-pə-ˈrak-tiv \

Medical Definition of hyperactive 

(Entry 1 of 2)

: 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, 23 Oct. 1993 A 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, 23 Nov. 1987 broadly : more active than is usual or desirable

hyperactive

noun

Medical Definition of hyperactive (Entry 2 of 2)

: an individual who is hyperactive

Keep scrolling for more

Comments on hyperactive

What made you want to look up hyperactive? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a soft lustrous wool fabric with mohair

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!