Originally Posted by BadCompany

dis·ease
[dih-zeez] Show IPA noun, verb, -eased, -eas·ing.

1. a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection, poisons, nutritional deficiency or imbalance, toxicity, or unfavorable environmental factors; illness; sickness; ailment.