having malicious intentions: an ill-intentioned criticism that was meant more to hurt than to help.

Is ill-intentioned a word?

Having bad intentions; malevolent.

What do you call someone with ill intentions?

Some common synonyms of malevolence are grudge, ill will, malice, malignity, spite, and spleen. While all these words mean "the desire to see another experience pain, injury, or distress," malevolence suggests a bitter persistent hatred that is likely to be expressed in malicious conduct. a look of dark malevolence.