"Dilapidated" refers to a state of disrepair or ruin, often due to neglect or age. Buildings, furniture, or vehicles can be described as dilapidated when they show significant signs of wear and tear, such as crumbling walls, broken windows, or rusted parts. This condition can result from a lack of maintenance or adverse environmental conditions. "Decrepit" is a synonym for dilapidated, emphasizing extreme old age or deterioration. It often describes objects or structures that are not only worn out but also unsafe or unusable. For example, a decrepit house may have sagging floors and a leaky roof, making it uninhabitable.