Definition of vested interest noun from the Oxford Advanced Learner's Dictionary


vested interest

BrE BrE//ˌvestɪd ˈɪntrəst//
; NAmE NAmE//ˌvestɪd ˈɪntrəst//
; BrE BrE//ˌvestɪd ˈɪntrest//
; NAmE NAmE//ˌvestɪd ˈɪntrest//
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vested interest (in something) a personal reason for wanting something to happen, especially because you get some advantage from it They have a vested interest in keeping the club as exclusive as possible. Vested interests (= people with a vested interest) are opposing the plan. She thinks that lawyers have a vested interest in making the legal process move slowly.
See the Oxford Advanced American Dictionary entry: vested interest