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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

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

The five-year bout of high inflation is part of the pernicious legacy of the coronavirus pandemic that began in 2020.

From MarketWatch • Jan. 23, 2026

Just about all he could find in its favor was that it paid well and liberated children from the pernicious influence of their parents.

From "Catch-22" by Joseph Heller