Meaning & Definition of word "Hazardous"

Hazardous

/ˈhæz.ər.dəs/

adjective:

  • 1. Full of risk; perilous.
    • Example: Working in a hazardous environment can lead to serious injury if safety precautions are not taken.
  • 2. Possessing a harmful quality or detrimental potential.
    • Example: The chemical waste was deemed hazardous and required special disposal methods.
  • 3. Dangerous to health or safety.
    • Example: Many hazardous materials are regulated by law to protect workers and the public.

Etymology

From the word 'hazard', which comes from old French 'hasard', meaning chance or risk.

Common Phrases and Expressions

hazardous waste:

waste materials that pose a threat to human health or the environment.

hazardous materials:

substances that could pose a risk to health or safety.

Related Words

peril:

serious and immediate danger.

risk:

a situation involving exposure to danger.

Slang Meanings of hazardous

Meaning: risky behavior

Example Sentence: That stunt was totally hazardous!

Meaning: dangerous situation

Example Sentence: Driving without a seatbelt is pretty hazardous.