diseased (part of speech: adjective)
unhealthy (part of speech: adjective)
- An insane mind is a diseased mind. - "Marital Power Exemplified in Mrs. Packard's Trial, and Self-Defence from the Charge of Insanity", Elizabeth Parsons Ware Packard.
- Often, through the night, she would start up in terror, her diseased imagination building up terrible phantoms in the land of dreams, alarming the house with her cries. - "The Allen House or Twenty Years Ago and Now", T. S. Arthur.
- Now, as a due exercise is essential to the coarse muscular parts of the constitution, and that without this rousing they would become languid and diseased, the very same rule holds with regard to those finer parts we have mentioned; to have them in proper order, they must be shaken and worked to a proper degree. - "The Works of the Right Honourable Edmund Burke, Vol. I. (of 12)", Edmund Burke.