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Definitions

pernicious

[per-nish-uhs] / pərˈnɪʃ əs /


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.

“In an environment where you’re fighting for a promotion … It’s just a further incentive to agents to engage in this kind of activity. So it’s pernicious on multiple levels.”

From Salon • Apr. 6, 2026

The feisty heroine is Iris Hawkins, who, in the course of a tentative love affair with a nerdy engineer named Geoffrey Hale, discovers the pernicious designs of a secret order.

From The Wall Street Journal • Mar. 5, 2026

High borrowing costs, he said, have had a pernicious impact on lower-income consumers without producing clear gains in inflation.

From Barron's • Jan. 26, 2026

A similarly pernicious logic has insulated law enforcement from legal accountability for generations.

From Slate • Jan. 25, 2026

“Maybe the gods will help us, thinking we are suitably respectful of pernicious fate.”

From "October Sky" by Homer Hickam




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