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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.

A fire investigation unit from the London Fire Brigade and the London Ambulance Service's hazardous area response team are also present at the scene.

From BBC • Apr. 17, 2026

"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

“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

Some of the soldiers began to complain that they were not being given enough responsibility, and so Jerry let them take over more of the hazardous work from the officers.

From "The Hot Zone" by Richard Preston




Vocabulary lists containing hazardous