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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.

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

These gadgets could hunt for hazardous compounds like benzene or mold in home interiors, he says, or potential threats to first responders in wildfires or burning buildings.

From The Wall Street Journal • Mar. 17, 2026

In a blog post, the band's former press officer Stuart Bailie recalled telling the papers that a "pile up of snow on the venues makes it too hazardous" to play, because "a roof might collapse".

From BBC • Mar. 13, 2026

"Over time, such a small change in an asteroid's motion can make the difference between a hazardous object hitting or missing our planet."

From Science Daily • Mar. 9, 2026

Attaching a name attaches you to the world of fact, which is riskier, more hazardous: who knows what the chances are out there, of survival, yours?

From "The Handmaid's Tale" by Margaret Atwood