vindictive
/vɪnˈdɪktɪv/
adjective
- Having or showing a strong desire to get revenge on someone who has hurt or offended you.
- After losing the election, he became vindictive and spread false rumors about his opponent.
- Her vindictive comments during the meeting only made the conflict worse.
- A vindictive boss might punish employees for minor mistakes long after they apologized.