mass noun
1- a state of confusion混乱, 凌乱：
signs of disorder and decay met them at each open door.
他们每打开一扇门看到的都是凌乱和衰败的景象。
1.1
- the disruption of peaceful and law-abiding behaviour骚乱; 动乱：
recurrent food crises led to periodic outbreaks of disorder.
一再发生的食物危机导致了骚乱的周期性爆发。
1.2
- count noun Medicine a disruption of normal physical or mental functions; a disease or abnormal condition【医】（身体）失调; （精神）失常; 疾病; 异常：
skin disorders
皮肤疾患
mass noun an improved understanding of mental disorder.对精神失常的进一步了解。
with obj.［usu. as adj. disordered］
1- disrupt the systematic functioning or neat arrangement of使紊乱; 打乱：
she went to comb her disordered hair
她去梳了梳凌乱的头发
his sleep is disordered.
他的睡眠不正常。
1.1
- Medicine disrupt the healthy or normal functioning of【医】使健康失调; 使功能紊乱：
a patient who is mentally disordered.
一位精神失常的病人。
词源
late 15th cent. （as a verb in the sense 'upset the order of'）： alteration， influenced by ORDER, of earlier disordain, from Old French desordener, ultimately based on Latin ordinare 'ordain'.