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.

“As most fiction, it is a composite, an amalgam of personal experience, research and my fertile, overactive imagination,” Raicek said.

From The Wall Street Journal • Apr. 16, 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

Instead, he said that the unusual incident may have been due to the bee colony becoming too large for its beehive and becoming "overactive" when the beekeeper handled it.

From BBC • Jul. 8, 2025

It might be my overactive imagination, but Ren’s smile seems tighter than everyone else’s, his happiness for me strained.

From "Warcross" by Marie Lu