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

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

She credits what her father jokes is “an overactive sense of justice” to her grandparents, who ran a corner store in Santa Ana in the 1940s.

From Los Angeles Times • Oct. 15, 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