- any departure from health; illness in general
- a particular destructive process in an organ or organism, with a specific cause and characteristic symptoms; specif., an illness; ailment
- any harmful or destructive condition, as of society
ME disese, inconvenience, trouble, sickness < OFr desaise, discomfort < des-, dis- + aise, ease
transitive verb diseased, diseasing
to cause disease in; infect or derange: usually in pp.
ME disesen < OFr desaaisier < the n.