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 English Dictionary © …

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

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 nature would …

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 health.

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

Definition of hazardous adjective from the Oxford Advanced Learner's Dictionary. involving risk or danger, especially to somebody’s health or safety. They endured a hazardous journey through …

hazardous meaning, definition, what is hazardous: dangerous, especially to people’s health...: Learn more.

Jul 17, 2025 · The NIOSH List of Hazardous Drugs in Healthcare Settings, 2024 (NIOSH Pub No 2025—103) followed the guidelines in the Procedures for developing the NIOSH list of hazardous …

Hazardous refers to anything that presents a potential source of danger, harm, or risk to the health, safety, or environment. This could involve objects, substances, activities, or situations that could …