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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.

"Rivers that are normally completely frozen have overflowed where they hadn't historically," he told the BBC, causing layered, unstable ice sheets that are hazardous to travel over in winter months.

From BBC • Apr. 12, 2026

The memoir of a former New York City subway motorman details his hazardous workdays below the streets.

From The Wall Street Journal • Apr. 10, 2026

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

From The Wall Street Journal • Apr. 8, 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

“Hazmat is an abbreviation for hazardous material,” Journey says.

From "A Rover's Story" by Jasmine Warga




Vocabulary lists containing hazardous