What does hazardousness mean?
Hazardousness means the quality or condition of being hazardous, or the degree to which something involves danger or risk. It is a formal noun used especially in safety assessments, legal and regulatory contexts, environmental reporting, insurance, and technical writing. Rather than identifying one particular danger, as hazard does, hazardousness focuses on the dangerous character or risk associated with a person, place, substance, activity, or circumstance. For example, a report may discuss the hazardousness of a chemical, a workplace, or a proposed transport route. The word can sound more analytical and deliberate than everyday alternatives such as danger or risk, and it is normally used in uncountable constructions such as “the hazardousness of.” Because it describes a condition rather than a countable object, plural forms are uncommon. Its related adjective, hazardous, is far more frequent in general usage.
nounThe quality or condition of being hazardous; the degree to which something presents danger or risk.
- The quality or condition of being hazardous; danger or risk.
"Officials warned of the hazardousness of the old industrial site."
"Officials warned of the hazardousness of the old industrial site."
"The insurer added a surcharge after assessing the hazardousness of the proposed route."
Usually used as an uncountable noun; the plural is grammatically possible but rare in ordinary usage.
"The review identified several hazardousnesses in the building's aging infrastructure."
The word that began as a reference to chance became a modern term for danger.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does hazardousness come from?
Hazardousness is formed in English from hazardous plus the suffix -ness, which creates an abstract noun meaning “the state or quality of being” something. The base word hazard entered Middle English through Old French hasard, ultimately deriving from Arabic zahr and Persian zahr, words associated with chance, luck, or an uncertain outcome. Over time, the sense shifted from chance or risk toward danger, producing the modern family including hazard, hazardous, and hazardousness.
How hazardousness is actually used
Usually formal and somewhat technical, hazardousness is an abstract noun used to describe the presence or degree of danger. It is less common than the adjective hazardous and is typically uncountable.
Easily confused with hazardousness
A hazard is a specific source or situation of danger, whereas hazardousness is the quality or degree of being hazardous.