overactive

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.

"I'm a fierce perfectionist and there is an overactive, hugely self-critical voice in my head - my whole life is an exercise in trying to shake that," he says.

From BBC • Dec. 31, 2025

Researchers are probing the pill’s efficacy in patients with Type 2 inflammatory diseases, which are triggered by an overactive immune response.

From Barron's • Dec. 8, 2025

The scientists also tested the compound in mice with tumors carrying mutations in another cancer-linked gene, HER2, which is often overactive in breast cancer and also connects with PI3K.

From Science Daily • Oct. 19, 2025

“I have a prescription for an overactive bladder.”

From The Wall Street Journal • Oct. 17, 2025

My mother used to tell me that I had an overactive imagination; Tom said that, too.

From "The Girl on the Train" by Paula Hawkins