Source : Webster's Revised Unabridged Dictionary (1913)

Malignify \Ma*lig"ni*fy\, v. t. [imp. & p. p. {Malignified}; p.
   pr. & vb. n. {Malignifying}.] [L. malignus malign + -fy.]
   To make malign or malignant. [R.] ``A strong faith
   malignified.'' --Southey.