hazardous

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.

As of Wednesday morning, Chiang Mai's PM2.5 level, which refers to the concentration of tiny, hazardous particles smaller than 2.5 micrometres, was classified as "very unhealthy".

From BBC • Mar. 31, 2026

“Weather alerts are intended to raise awareness of hazardous conditions, while emergency alerts issued by local authorities are used to communicate immediate protective actions tied to a specific incident,” the statement said.

From Los Angeles Times • Mar. 24, 2026

Manufacturing batteries is “extremely energy intensive,” involves more dangerous chemicals and results in more hazardous waste.

From The Wall Street Journal • Mar. 18, 2026

The finding provides strong evidence that a kinetic impactor could be used as a planetary defense method to redirect a potentially hazardous near-Earth object.

From Science Daily • Mar. 9, 2026

In advance of Pittman, the four men strung ropes partway up the Kangshung Face, an extremely difficult and hazardous wall on the Tibetan side of the mountain.

From "Into Thin Air" by Jon Krakauer