from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Highly or excessively active: a hyperactive thyroid gland.
  • adj. Having behavior characterized by overactivity.
  • adj. Having attention deficit disorder. Not in scientific use.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. having an increased state of activity
  • adj. having attention deficit disorder (no longer used by the scientific community)

from the GNU version of the Collaborative International Dictionary of English

  • adj. Exhibiting hyperactivity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. more active than normal


from Wiktionary, Creative Commons Attribution/Share-Alike License

hyper- +‎ active


  • An excellent study in the prestigious medical journal Lancet found that children in general, and not just those suffering from attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD), can become more impulsive, inattentive, and hyperactive from the cocktail of artificial extras found in drinks, sweets, and processed foods.

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  • His insights came in hyperactive bursts between sips from a quart-sized plastic coffee mug.

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  • It’s fine roaming around the room in hyperactive fashion when its your own company (ala Steve Jobs) but it is not OK when you are a 25-year-old consultant to the CEO of a Fortune 50 company.

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  • "If it were a child we would call it hyperactive; if it were a patient we would diagnose it with bipolar disorder; if it were a trader we would fire it for overtrading," wrote Ilan Solot , a London-based economist at Brown Brothers Harriman.

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  • As Dennett points out, even the simplest animals have what psychologist Justin Barrett in an article in Trends of Cognitive Science 4 2000:29-34, "Exploring the Natural Foundations of Religion," calls a hyperactive agent detection device, or HADD.

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  • It lets you run around during the opening credits if you're feeling hyperactive, which is cute.

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  • When a patient is conscious, the symptoms of so-called hyperactive delirium are more obvious, such as agitation, inattention and combativeness.

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  • Peers will label the hyperactive child a troublemaker because his erratic and disruptive behavior often angers adults and results in restrictions upon the entire group.

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  • But even all the legitimate causes still probably account for only a minority of so-called hyperactive kids.

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  • While there is a minute percentage of kids who could be considered truly hyperactive in the sense that some neurological or physical problem underlies their behavior, the vast majority of so-called hyperactive kids have no such identifiable problem.

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