Source : Webster's Revised Unabridged Dictionary (1913)

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.
      [Obs.]

            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.