■ noun
1》 a lack of order; a confused or untidy state.
2》 the disruption of peaceful and law-abiding behaviour.
3》 Medicine a disruption of normal physical or mental functions: a skin ~.
■ verb [usu. as adjective ~ed ] disrupt the functioning or order of.
Origin
C15: alt., influenced by order , of earlier disordain , from OFr. desordener , ult. based on L. ordinare 'ordain'.