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hazardous

/hˈæzɝdʌs/adjective3 syllables

Hazardous means: involving risk or danger.

Synonyms for hazardous4

adjective, as in involving risk or danger

risky, wild, dangerous, unsafe

What does hazardous mean?1

adjective

1

involving risk or danger“skydiving is a hazardous sport”

Definitions from the Open English WordNet, CC BY 4.0.

Hazardous in a sentence

  • You can't just leave someone to their own devices in a hazardous, unfamiliar setting!Luornu
  • Too much drinking may be hazardous to your health.CK
  • This plastic garbage bag is free of hazardous chemicals.unknown
  • Legislation clearly distinguishes between dangerous goods and hazardous materials.Zaghawa
  • Gusty winds are making travel hazardous for high profile vehicles.Delian
  • Mercury is really hazardous to humans and animals.Amastan
  • Gusty winds are making journeys hazardous for top-heavy vehicles.sundown
  • Gusty winds are making journeys hazardous for high-sided vehicles.sundown

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.