MALEVOLENT

having or showing often vicious ill will, spite or hatred

wishing or appealing to wish evil to others
"failure made him malevolent toward those who were succesful."

having or exerting a malignant influence
SYN - malign, evil, malefic
ANT - unmalicious
"malevolent stars."

"In these weeks after the break up he was malevolent towards all happy couples."

"The malevolence born from his stay in vietnam had never left him."

"He tried to convince himself that she only had had a malevolent influence over him and that he was better off without her, but he knew that this was a lie."

"To treat people with such a blind malevolence was an accurate indicator of one's ignorance."