HAZARDOUS Definition & Meaning - Merriam-Webster
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.

HAZARDOUS | English meaning - Cambridge Dictionary
/ ˈhæzədəs / us dangerous and involving risk, especially to someone's health: hazardous industries / materials / substances (Definition of hazardous from the Cambridge Business English Dictionary © Cambridge University Press)

What is Hazardous? Meaning and 10 Different Examples
"Hazardous" refers to something that poses a threat or danger to human health, the environment, or property. It can describe substances, activities, situations, or conditions that can potentially cause harm or adverse effects.

HAZARDOUS | definition in the Cambridge English Dictionary
/ ˈhæzədəs / us dangerous and involving risk, especially to someone's health: hazardous industries / materials / substances (Definition of hazardous from the Cambridge Business English Dictionary © Cambridge University Press)

HAZARDOUS Synonyms: 66 Similar and Opposite Words - Merriam-Webster
Some common synonyms of hazardous are dangerous, perilous, precarious, and risky. While all these words mean "bringing or involving the chance of loss or injury," hazardous implies great and continuous risk of harm or failure.

Hazardous - Definition, Meaning & Synonyms | Vocabulary.com
The noun "hazard" means something dangerous, and the adjective hazardous refers to anything that involves danger. A golf course with lots of sand traps is especially hazardous for golfers.

Hazardous waste - Wikipedia
Waste can be hazardous because it is toxic, reactive, or corrosive, etc. [1] As of 2022, humanity produces 300–500 million metric tons of hazardous waste annually. [2]

HAZARDOUS Definition & Meaning | Dictionary.com
HAZARDOUS definition: full of risk; perilous; risky. See examples of hazardous used in a sentence.

What Is a Hazardous Substance? Definition and Types
A hazardous substance is any material that can cause death, disease, cancer, genetic mutations, or other serious harm to people or the environment after exposure.

What Is Hazardous Material? - NFPA
NFPA 400 defines hazardous material as any chemical or substance that is a physical hazard material or a health hazard material. Hazardous materials are then categorized based on the physical or health hazard they present.