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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.

“Giant” is a probing character study that raises the discomfiting question of how a man of intelligence and imagination could hold such atavistic and pernicious views.

From The Wall Street Journal • Mar. 24, 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

Every day since then on the radio we heard about the need to end the evil and pernicious influences of the “Four Olds”: old ideas, old culture, old customs, and old habits.

From "Red Scarf Girl: A Memoir of the Cultural Revolution" by Ji-li Jiang