Example sentences:

Ramayana: Because Paulastya, the grandson of Pulastya, was so malevolent, he got the name Ravana, one who makes others cry. 

Mahabharata: How malevolent Duryodhana was toward the Pandavas became evident to the whole Kuru assembly when he gleefully ordered that Draupadi be disrobed. 

Bhagavad-gita: God is benevolent and so is the soul, being a part of God — but the further the soul goes from God, the more the soul becomes malevolent.