pernicious

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.

But there are also much more pernicious problems.

From Slate • Mar. 1, 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

But if you use them as a lifestyle crutch, they can be pernicious.

From MarketWatch • Jan. 21, 2026

Pancreatic cancer is pernicious, but five-year survival has increased three-fold since the 1990s to 13%, which the report attributes to more cancers being detected incidentally at earlier stages when they are easier to treat.

From The Wall Street Journal • Jan. 14, 2026

One of the most pernicious factors, Olmsted found, was the widespread fear that anyone who ventured to Chicago would be “fleeced unmercifully,” especially in the fair’s many restaurants, with their “extortionate” prices.

From "The Devil in the White City" by Erik Larson