Dictionary

hazardous

hazardous

adjective haz·ard·ous \ˈha-zər-dəs\

: involving risk or danger

Full Definition of HAZARDOUS

1
:  depending on hazard or chance
2
:  involving or exposing one to risk (as of loss or harm) <a hazardous occupation> <disposing of hazardous waste>
haz·ard·ous·ly adverb
haz·ard·ous·ness noun

Examples of HAZARDOUS

  1. It was a hazardous voyage.
  2. These are hazardous chemicals that can cause death if inhaled.

First Known Use of HAZARDOUS

1585

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