insidious

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.

It’s a subtle shift where “treat yourself” moments — like frequent dinners out or luxury upgrades — slowly morph into consistent, insidious monthly expenses.

From MarketWatch • Apr. 7, 2026

An Italian authority is investigating beauty brands Benefit and Sephora after they appeared to adopt a "particularly insidious" marketing strategy of using young influencers to market skincare to children.

From BBC • Mar. 29, 2026

Times columnist Patt Morrison, Smoglandia traces the rise, impact, and retreat of the city’s most insidious pollution.

From Los Angeles Times • Mar. 26, 2026

"The cold is a very insidious enemy, it should not be underestimated," she said.

From Barron's • Feb. 16, 2026

Like nightmares, dreams were insidious things, and didn’t like being locked away.

From "Strange the Dreamer" by Laini Taylor