1. 破败的;弃置的;年久失修的
A place or building that is derelict is empty and in a bad state of repair because it has not been used or lived in for a long time.

2. 无家可归者;露宿街头者
A derelict is a person who has no home or job and who has to live on the streets.

1. a ship abandoned on the high seas

Synonym: abandoned ship

2. a person without a home, job, or property