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.

Koy, the son of a white father and Filipina mother, saw comedy as a way to channel an overactive personality and need to make people laugh into a career.

From Los Angeles Times • Mar. 5, 2026

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

Noah has an overactive imagination, written on every school report I’ve ever gotten.

From "I'll Give You the Sun" by Jandy Nelson