Simple Definition of hazardous
: 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>
Examples of hazardous
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 Kids
Seen and Heard
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