vindictive

She said she fears the vindictive atmosphere Trump has created.

“They threaten those who speak against them with death. We cannot entrust our country and our freedom to a petty, vindictive, cruel, unstable man who wants to be a tyrant.”

The notoriously antiabortion Paxton, though never seen, even in archival footage, eventually gets his say, however, with a wielding of power in response to positive rulings that can only be called vindictive.

Judge Alexander Menary said Brown's actions had been "vindictive, selfish and vengeful" and told her that she had "relished the obvious discomfort" the offending had caused.

He’s vindictive, shallow, delusional and increasingly dangerous – but no one seems to care.