Webster’s Revised Unabridged Dictionary · 1913
Malignify
Ma·lig′ni·fy (mȧ·lĭg′nĭ·fī), 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.