单词	overactive
释义	overactive adjective over·​ac·​tive ˌō-vər-ˈak-tiv  : excessively or abnormally active overactive glands an overactive imagination overactivity ˌō-vər-ak-ˈti-və-tē  noun Synonyms agitated excited feverish frenzied heated hectic hyperactive overwrought See all Synonyms & Antonyms Example Sentences She has an overactive bladder. His crazy ideas are products of an overactive imagination. Recent Examples on the Web That’s because inflammation causes the melanocytes, or the cells that make skin color, to become overactive, resulting in dark spots. Beth Krietsch, SELF, 17 Aug. 2022 On the other hand, if your lawn problem is due to overactive weed competition, fall is a great time to tilt the field in favor of the grass. Paul Cappiello, The Courier-Journal, 12 Aug. 2022 An overactive appetite for reward, by contrast, may raise the specter of addiction. Ingrid Wickelgren, Scientific American, 12 Aug. 2022 Primed platelets, even in their normal state, are particularly susceptible to being driven straight into the overactive mode. Sumeet Kulkarni, Los Angeles Times, 27 July 2022 So your immune system is overactive in treating a part of you — in my case, my hair follicles are seen as a virus like the flu, for instance, and my immune system has to treat it. Evan Nicole Brown, The Hollywood Reporter, 10 Apr. 2022 Gretchen Cuda Kroen reports an overactive response to pain in the brain and spinal cord may be shared by individuals suffering from chronic pain disorders and those who struggle with opioid addiction. Cliff Pinckard, cleveland, 4 Aug. 2022 During an attack, groups of your brain cells become overactive, your blood vessels narrow, and blow flow to your brain shifts, which may contribute to the onset of symptoms, per Johns Hopkins Medicine. Sara Gaynes Levy, SELF, 17 Nov. 2021 As illness goes on, the immune system may become overactive and people can die from that. NBC News, 26 Apr. 2021 See More Word History First Known Use 1647, in the meaning defined above Medical Definition overactive adjective over·​ac·​tive ˌō-və-ˈrak-tiv  : excessively or abnormally active an overactive mind overactive glands overactive adjective as in heated being in a state of increased activity or agitation the boy manages to panic himself by his own overactive imagination Synonyms & Similar Words Relevance heated excited agitated hyperactive upset overwrought frenzied hectic troubled feverish overexcited keyed up nervous anxious hyper in a lather afire wired tense uptight aquiver perturbed aflutter uneasy jumpy jittery hyperexcited unquiet high-strung atingle dithery het up edgy nervy hyped-up Antonyms & Near Antonyms calm placid undisturbed composed serene tranquil cool unperturbed untroubled collected unshaken unworried coolheaded See More
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