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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.

Abruptly capping wells is geologically hazardous: sudden pressure drops clog wellbores with heavy waxes.

From The Wall Street Journal • Apr. 8, 2026

The landmark 56-year-old state law has been credited with helping to preserve California’s natural beauty and protecting communities from hazardous impacts of construction projects — but also blamed for stymieing construction.

From Los Angeles Times • Mar. 23, 2026

E-noses are being explored for medical diagnoses, such as detecting infections from breath, and for identifying hazardous compounds in environments.

From The Wall Street Journal • Mar. 17, 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

The long distance between a filler and a gap can be hazardous to writer and reader alike.

From "The Sense of Style" by Steven Pinker