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.

The disease develops when repeated or long-term liver damage -- caused by viral hepatitis, excessive alcohol use, metabolic disorders, toxins, or autoimmune disease -- triggers an overactive healing response.

From Science Daily • Jan. 6, 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

“I have a prescription for an overactive bladder.”

From The Wall Street Journal • Oct. 17, 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

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

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