1. a tendency to be negligent and uncaring;

   "he inherited his delinquency from his father"
   "his derelictions were not really intended as crimes"
   "his adolescent protest consisted of willful neglect of all his responsibilities"
   

2. willful negligence

1.破败;弃置;年久失修
If a building or a piece of land is in a state ofdereliction, it is deserted or abandoned.

dereliction

e.g. The previous owners had rescued the building fromdereliction.
这座建筑之前的业主将其从破败不堪的状况中挽救了出来。

1. 玩忽职守：38 lift 电梯(英) | 40dereliction 玩忽职守 ~ of duty | 41 milk shake 奶昔

2. dereliction的反义词

2. 无主, 抛弃物：pedal bushing 踏板轴衬 |dereliction 无主, 抛弃物 | machine straightening 机械矫直

3. 无主：derelict 被抛弃了的 |dereliction 无主 | derequisition 解除接管

4.

4. 遗弃：dereistic thinking 孤僻思想 |dereliction 遗弃 | derepress 去抑制