IPA: /vɪnˈdɪktɪv/
KK: /vɪnˈdɪktɪv/
Having a strong desire to get back at someone or to cause them pain, often because of a perceived wrong.
Her vindictive behavior made it difficult for her to maintain friendships.
Vindictive → It is formed from "vindicare" (meaning to claim, avenge, or punish) and the suffix "-ive" (meaning having the nature of). The word "vindictive" describes someone who has the nature of seeking revenge or punishment.
Think of someone who wants to 'avenge' ('vindicare') a wrong done to them — that's why they are called vindictive.