hazardous
B2Pronunciation
UK
- /hˈæzədəs/
US
- /ˈhæzərdəs/
Description
- dangerous
- risky
- harmful
- perilous
Something hazardous can hurt people, damage things, or create unsafe conditions. Picture a road covered in ice, a room full of toxic fumes, or a work area with exposed wires. In each case, the danger may be obvious, or it may build up over time. You will often see the word in phrases like "hazardous waste," "hazardous materials," or "hazardous conditions." When this word appears, it usually means extra care is needed because the risk is real.
To describe something as "hazardous" is to say that it presents potential harm or danger. It's more than just being slightly risky; hazardous implies a significant threat of injury, damage, or negative consequences.
You'll often encounter "hazardous" in contexts involving safety and risk assessment. A chemical spill would be considered a hazardous material situation, requiring specialized cleanup procedures. Similarly, a dilapidated building might be deemed structurally hazardous, meaning it is at risk of collapse.
But the term isn't limited to physical dangers. Hazardous conditions can also refer to situations that are detrimental to long-term health or well-being. For example, a workplace with prolonged exposure to loud noise is considered a hazardous work environment. In a broader sense, a hazardous lifestyle might involve choices like unhealthy eating habits and a lack of exercise, which pose a risk to one's future health.
The word has roots in Old French and originally referred to chance or luck—specifically the risks involved in games of hazard (dice). Over time, it evolved to describe anything that carries an inherent risk of harm.
So whether you're navigating a busy job site, dealing with toxic substances, or making choices about your health, remember that "hazardous" signals something that demands caution and careful handling. It's a word that reminds us to be aware of potential dangers and take active steps to protect ourselves and others.
Examples
- 1
Winter roads
The roads can be hazardous in winter.
- 2
Chemical safety
Firefighters wore special suits while handling hazardous chemicals.
- 3
Risky actions
It is hazardous to drive when you haven't slept all night.
Pattern
hazardous to + verb
dangerous to do
- 4
Health risk
Smoking is especially hazardous to pregnant women and their babies.
Pattern
hazardous to + person/thing
likely to harm them
- 5
Environmental law
The company was fined for dumping hazardous waste near the river.
Forms and spellings
1 form open this card.
Main spelling
- hazardousadjective