dangerous, hazardous, precarious, perilous, risky mean bringing or involving the chance of loss or injury. dangerous applies to something that may cause harm or loss unless dealt with carefully.

Add to word list dangerous and involving risk, especially to someone's health: hazardous industries / materials / substances (Definition of hazardous from the Cambridge Business …

A hazard pictogram to indicate a hazard from a flammable substance. A hazard is a potential source of harm. Substances, events, or circumstances can constitute hazards when their …

HAZARDOUS definition: full of risk; perilous; risky. See examples of hazardous used in a sentence.

1. to risk; to be prepared to do (something, the result of which is uncertain).

Something that is hazardous is dangerous, especially to people's health or safety. They have no way to dispose of the hazardous waste they produce. Passive smoking can be hazardous to …

4 days ago · Defining Hazardous Substances for Environmental Cleanup When a material is released or threatens to be released into the environment, the definition of a hazardous …