overactive
adjective
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Definition of overactive
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Other Words from overactive
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noun
Synonyms for overactive
Synonyms
agitated, excited, feverish, frenzied, heated, hectic, hyperactive, overwrought
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Examples of overactive in a Sentence
Recent Examples on the Web
What’s going on there that can lead to this overactive vasovagal response? — Anne R. Crecelius, The Conversation, "Why do people faint?," 20 June 2019 Brain scans might reveal what’s behind these tantalizing results: Studies have found that psilocybin binds to serotonin receptors, which reduces blood flow to a part of the brain that’s overactive in people who are depressed. — Catherine Ryan Gregory, Marie Claire, "The Trip of a Lifetime," 9 July 2019 Researchers also looked at which of these patients had been prescribed any kind of anticholinergic, which can treat anything from allergies to overactive bladder to depression to Parkinson’s disease. — Katherine Ellen Foley, Quartz, "A new study that ties common medications to dementia highlights the need for early detection," 27 June 2019 While an underactive thyroid can cause weight gain, an overactive one (which is diagnosed as hyperthyroidism) increases your metabolism, which can in turn cause increased hunger, Gilwit says. — Colleen Stinchcombe, Woman's Day, "Why Am I Always Hungry?," 19 Oct. 2018 Sometimes, Van Ness’s overactive, hot-wired brain causes the podcast to veer unabashedly off the rails. — refinery29.com, "The Jonathan Van Ness Podcast You Need In Your Life, Henny," 14 June 2018 Neuroscientists hypothesize that depression is partly the function of an overactive ego. — Recode Staff, Recode, "Full transcript: Author Michael Pollan on Recode Decode," 22 May 2018 In the naturally resilient animals the higher neural activity seemed to induce a counterreaction that resulted in the subsequent quieting of overactive neurons. — Gary Stix, Scientific American, "Can a Pill that Boosts ‘Resilience’ Treat Depression?," 11 Apr. 2018 Graves’ disease is an autoimmune disorder that results in an overactive thyroid, the gland in the lower part of the neck that helps control metabolism. — Andrea K. Mcdaniels, baltimoresun.com, "What is Graves' disease? A MedStar endocrinologist explains," 5 Apr. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'overactive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for overactive
overactive
adjective
English Language Learners Definition of overactive
See the full definition for overactive in the English Language Learners Dictionary
overactive
adjective
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Medical Definition of overactive
Other Words from overactive
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noun,
plural overactivities
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