Final answer:
The term 'accident' is best defined as a sudden, unplanned, and unexpected event, not under the control of the insured, resulting in injury or damage that is neither expected nor intended.
Step-by-step explanation:
The term 'accident' is best defined as a sudden, unplanned, and unexpected event, not under the control of the insured, resulting in injury or damage that is neither expected nor intended. It refers to situations where the outcome is unforeseen and unintended. For example, a car collision caused by a distracted driver would be considered an accident.