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.

That we don’t admit our most insidious urges only makes them stronger.

From The Wall Street Journal • Apr. 8, 2026

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

And so Gaylyn was left wondering whether Reggie was sincerely traumatized by the accident, and therefore couldn’t remember what had happened, or whether there was something more insidious occurring.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel