vindictive:

revengeful

vindictive:

revengeful

(Adjective)

Example sentences:

Ramayana:  Vibhishana knew that when he went over to the side of Rama, he courted the anger of Ravana who didn’t just have a vindictive streak in his body but whose whole body and soul were vindictive.

Mahabharata:  If the Pandavas had been vindictive, they would never have agreed to a peace proposal that gave them just five villages.

Bhagavad-gita:  The Gita is a call to act according to dharma, not to fight a war; it urges us to act not even possessively, leave alone vindictively.