Hazardous Meaning
/ˈhæ.zɚ.dɪs/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
adjRisky; dangerous; with the nature of a hazard.
adjOf or involving chance.
Sentence Examples
Too much drinking may be hazardous to your health.
This plastic garbage bag is free of hazardous chemicals.
CEFR Practice Quiz
The ____ chemicals must be stored in a special container to avoid leaks.
CEFR Practice Quiz (Alternate)
The laboratory has strict rules for handling ____ chemicals to ensure the safety of all staff.
Word Origin & History
From Middle French hasardeux, equivalent to hazard + -ous.
Literary Quotations & Historical Citations
"But out of sight is out of mind. And that[…]means that many old sewers have been neglected and are in dire need of repair. If that repair does not come in time, the result is noxious and potentially hazardous."
— 2014 June 14, “It's a gas”, in The Economist, volume 411, number 8891:
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The ____ chemicals must be stored in a special container to avoid leaks.
CEFR Practice Quiz (Alternate)
The laboratory has strict rules for handling ____ chemicals to ensure the safety of all staff.