(obsolete) Alternative form of hazardise

Full of hazard; dangerous; risky.

plural of hazarder

A substance, natural or man-made, which is intrinsically dangerous or otherwise poses a safety hazard. Examples are materials which are explosive, poisonous, chemically active (including acids and other corrosives), radioactive, or biologically active (including human blood and other medical waste).

plural of hazardous material

Alternative form of nonhazardous.

plural of potentially hazardous object

(astronomy) A near-Earth asteroid or comet with an orbit such that it has the potential to make close approaches to the Earth and is of a size large enough to cause significant regional damage in the event of impact.

any hazard that results from the accidental, deliberate or potential release of a noxious substance into the environment

plural of health hazard