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Definitions

overactive

[oh-ver-ak-tiv] / ˌoʊ vərˈæk tɪv /


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

"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

Axonics makes an implantable device that treats bowel and bladder conditions, such as overactive bladder.

From Barron's • Oct. 30, 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

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




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