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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.

What frightens scientists more than the sheer numbers are that the cuts are arbitrary and manifestly pernicious.

From Los Angeles Times • Jun. 11, 2026

Higher inflation has a particularly pernicious effect on U.S. households.

From Barron's • Jun. 10, 2026

Dahlia Lithwick: Election law expert Rick Hasen just described this as “one of the most pernicious and damaging Supreme Court decisions of the past century.”

From Slate • Apr. 30, 2026

Rather, he is doing something else entirely, something arguably more pernicious.

From Salon • Apr. 13, 2026

Something deeper, more pernicious was at work here: a wide division between the wealthy and the poor that was made worse by fear.

From "The Great Fire" by Jim Murphy




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