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>
Examples of hazardous in a sentence
It was a hazardous voyage.
These are hazardous chemicals that can cause death if inhaled.
First Known Use of hazardous
Synonym Discussion of hazardous
HAZARDOUS Defined for English Language Learners
Definition of hazardous for English Language Learners
: involving risk or danger
HAZARDOUS Defined for Kids
Legal Definition of hazardous
: creating a hazard : involving or exposing one to risk (as of loss or harm) <a hazardous occupation> <a hazardous substance>
Seen and Heard
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