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If someone or something is dangerous or potentially dangerous, you can use the word "hazard" as a noun.

  • That old building is a fire hazard. It has to be torn down.
  • Oscar was judged to be suicidal and a hazard to himself, so he was hospitalized.
  • The snowstorm created a hazard for drivers.
  • The use of illegal drugs is a hazard that teenagers should avoid.
  • After an earthquake, the Fukushima nuclear power plant in Japan became a hazard.
  • A used syringe is a biohazard.

syringeDon't touch a used syringe.


The adjective form for this word is "hazardous."

  • Driving in the snow became hazardous for several drivers, so they pulled off the road.
  • Smoking can be hazardous to your health.
  • This man works around hazardous and radioactive waste.

hazardous waste hazardous waste


Click here to learn more words.



This page was first published on March 5, 2013. It was updated on January 31, 2017.




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