IPA: /ˈvɛstɪd/
KK: /ˈvɛstɪd/
Having a fixed or guaranteed right, benefit, or privilege that cannot be taken away.
She has a vested interest in the success of the project.
Vested → It is formed from "vestire" (meaning to dress or clothe) and the suffix "-ed" (indicating a state or condition). The word "vested" means being clothed or having a right or interest that is secured or established.
Think of being 'clothed' ('vestire') in rights or interests, which helps you remember that 'vested' means having a secured or established interest.