vindictive
US /vɪnˈdɪk.tɪv/
UK /vɪnˈdɪk.tɪv/

1.
vendicativo, rancoroso
having or showing a strong or unreasoning desire for revenge
:
•
She was a vindictive woman who never forgave an insult.
Era una donna vendicativa che non perdonava mai un insulto.
•
His actions were motivated by a vindictive desire to see them suffer.
Le sue azioni erano motivate da un desiderio vendicativo di vederli soffrire.