avengeful
/ævˈɛndʒfəl/Definitions
1. adjective
Wishing or seeking revenge; having a strong desire for vengeance.
“The avengeful tone in his voice was unmistakable.”
2. adjective
Punishing or causing harm to someone as revenge or retribution.
“The avengeful actions of the vigilante were met with both outrage and admiration.”