a.

1. 被抛弃了的；无主的
2. 玩忽职守的

n.

1. 遗弃物
2. 玩忽职守者

adj.

1. in a very poor condition as a result of disuse and neglect.
2. chiefly N. Amer. shamefully negligent.

n.

1. a destitute person.
2. a ship or other piece of property abandoned by its owner.