Final answer:
The meaning of the word 'hazardous' is unsafe. It refers to something that is dangerous or poses a risk to safety. Hazardous materials and common hazard signs are used as examples to explain the concept.
Step-by-step explanation:
The meaning of the word 'hazardous' is unsafe. It refers to something that is dangerous or poses a risk to safety. For example, hazardous materials are substances that can cause harm or damage if not handled properly.
To further understand the concept, you can refer to common hazard signs, such as a skull and crossbones or a flame symbol, which are used to indicate potentially hazardous situations. These signs serve as warnings to inform people about the presence of danger.