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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

Many roads were blocked by trees overnight or restricted due to hazardous conditions, including the A8, A87 and A83.

From BBC • Apr. 5, 2026

The odd pair was passing other people and making good time, but the arrangement—a technique for assisting a weak or injured climber known as short-roping—appeared to be hazardous and extremely uncomfortable for both parties.

From "Into Thin Air" by Jon Krakauer




Vocabulary lists containing hazardous