hyperactive

adjective

ˌhī-pər-ˈak-tiv How to pronounce hyperactive (audio)
Definition of hyperactivenext
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

Relevance

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

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of hyperactive The stars and creators of Scary Movie tell EW about their hyperactive new comedy, which even stretches beyond the bounds of horror to films like Michael and Wicked. — Ryan Coleman, Entertainment Weekly, 5 June 2026 Your Immune System May Become Balanced Vitamin D and zinc may also tamp down hyperactive immune responses that occur in autoimmune diseases (conditions in which the body attacks itself). — Megan Nunn, Verywell Health, 12 May 2026 But what should be a hyperactive, frenetic, and fractured mess instead has a curious, uncanny unity. — Reed Jackson, SPIN, 8 May 2026 After 24 hours at 4G, flies stayed hyperactive for weeks. — Aamir Khollam, Interesting Engineering, 1 May 2026 See All Example Sentences for hyperactive
Recent Examples of Synonyms for hyperactive
  1. excited
  2. excitable
  3. heated
  4. nervous
  5. agitated
  6. overactive
Adjective
  • To see people still excited about it all these years later is crazy.
    — Karla Rodriguez, Footwear News, 21 Aug. 2026
  • As if the matchup isn’t reason enough to be excited about Lowe’s home run prop, playing in Colorado enhances that excitement.
    — Josh Shepardson, Forbes.com, 21 Aug. 2026
Definition of excited
Adjective
  • Shaffelburg’s boundless enthusiasm and high work rate led one LAFC staffer to liken him to an excitable golden retriever, a comparison the player did not challenge.
    — Los Angeles Times, Los Angeles Times, 18 Aug. 2026
  • That’s where Barkley came in, an excitable, friendly yellow lab who is obsessed with balls and could sniff out a green tennis ball in an entire stadium of purple ones.
    — Becca Savransky, Idaho Statesman, 11 Aug. 2026
Definition of excitable
Adjective
  • During the trial, students described a heated exchange over Anthony’s refusal on a rainy spring day to leave a tent that belonged to Metcalf’s team.
    — ABC News, ABC News, 19 Aug. 2026
  • Also at the meeting, the discussion about Davis's motion to dissolve the Design Review Board was moved to a later date after some heated discussion.
    — Olivia Young, CBS News, 19 Aug. 2026
Definition of heated
Adjective
  • Until Bezos, or any of his new partners, speak publicly, the conversation about what comes next will be nervous.
    — Simon Hughes, New York Times, 20 Aug. 2026
  • In a nervous market full of geopolitical tension, IPOs have attracted a lot of investor attention, with AI darlings Anthropic and OpenAI preparing for their own debuts.
    — Leonie Kidd, CNBC, 19 Aug. 2026
Definition of nervous
Adjective
  • And if the person seems agitated or unpredictable, skip the direct request altogether.
    — Angela Haupt, Time, 17 Aug. 2026
  • For the agitated activist—Mike Davis’ Late Victorian Holocausts with Equator.
    — Brittany Allen, Literary Hub, 13 Aug. 2026
Definition of agitated
Adjective
  • Treatment options for p-aHUS can vary, but Chin-Hong said there are medications available for p-aHUS, called complement inhibitors, that target the overactive complement system.
    — Yi-Jin Yu, ABC News, 13 Aug. 2026
  • Bret is obsessed, but is his fixation on Robert the product of lust or an overactive imagination that can’t be fulfilled by his work on a novel titled Less Than Zero?
    — Daniel Fienberg, HollywoodReporter, 5 Aug. 2026
Definition of overactive

Browse Nearby Words

hyperacid
hyperactive
hyperacuity
See all Nearby Words

Cite this Entry

“Hyperactive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hyperactive. Accessed 23 Aug. 2026.

Copy Citation

More from Merriam-Webster on hyperactive

Nglish: Translation of hyperactive for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of prowess

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

How to Pronounce the Trickiest Menu Items

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

Even More Words That Sound Like Insults But Aren't

The Words of the Week - Aug. 21

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
alt-684346df967d5
Add A Letter Quiz Pick the letter that goes in the same spot in fou...
See All