The Collaborative International Dictionary of English v.0.48:
Disease \Dis*ease"\, v. t. [imp. & p. p. Diseased; p. pr. &
vb. n. Diseasing.]
1. To deprive of ease; to disquiet; to trouble; to distress.
His double burden did him sore disease. --Spenser.
2. To derange the vital functions of; to afflict with disease
or sickness; to disorder; -- used almost exclusively in
the participle diseased.
He was diseased in body and mind. --Macaulay.