hazardous

[ haz-er-duhs ]
See synonyms for: hazardoushazardouslyhazardousness on Thesaurus.com

adjective
  1. full of risk; perilous; risky: a hazardous journey.

  2. dependent on chance.

Origin of hazardous

1
First recorded in 1570–80; hazard + -ous

Other words for hazardous

Opposites for hazardous

Other words from hazardous

  • haz·ard·ous·ly, adverb
  • haz·ard·ous·ness, noun
  • non·haz·ard·ous, adjective
  • non·haz·ard·ous·ly, adverb
  • non·haz·ard·ous·ness, noun
  • ul·tra·haz·ard·ous, adjective
  • un·haz·ard·ous, adjective
  • un·haz·ard·ous·ly, adverb

Words Nearby hazardous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use hazardous in a sentence

British Dictionary definitions for hazardous

hazardous

/ (ˈhæzədəs) /


adjective
  1. involving great risk

  2. depending on chance

Derived forms of hazardous

  • hazardously, adverb
  • hazardousness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012