overactivity
Americannoun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
NRF2 overactivity plays a major role in chemotherapy resistance in several solid tumors, including cancers of the liver, esophagus and head and neck.
From Science Daily • Nov. 17, 2025
Recent evidence suggests that overactivity of brain immune cells called microglia, which devour unfamiliar pathogens and dead brain tissue, may accelerate brain degeneration.
From Washington Post • Dec. 2, 2022
They’ve also come to recognize its unique profile of immune system overactivity and have identified effective treatments.
From Science Magazine • Mar. 18, 2021
Those symptoms are broadly inattention, overactivity and impulsivity.
From The Guardian • Aug. 7, 2018
Hyperthyroidism, or Graves' Disease, a condition in which there is overactivity of the thyroid gland and which is particularly prevalent among young women, is one of those diseases.
From The Nervous Housewife by Myerson, Abraham
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.