derelict
adj
noun
ˈderɪəlɪkt adj
1 a derelict building or piece of land is in very bad condition because it has not been used for a long time 〔建筑物或土地〕破旧的,弃置的
noun
2 someone who has no money or home, lives on the streets, and is very dirty – used to show disapproval 无家可归者,社会弃儿〔含贬义〕