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Definitions

hazardous

[haz-er-duhs] / ˈhæz ər dəs /


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.

More than 100 maternity staff are taking legal action against a hospital trust after being exposed to "hazardous" levels of nitrous oxide.

From BBC • May 18, 2026

The spacecraft is specifically designed to detect dark, potentially hazardous asteroids that travel close to the Sun.

From Science Daily • May 14, 2026

The language of the law forbids any kind of recycling that would produce significant amounts of hazardous waste.

From Los Angeles Times • May 7, 2026

Opponents have told the government it would be a breach of a 1998 convention signed by Australia to ship hazardous waste to a Pacific island country.

From Barron's • Apr. 22, 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




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