Vested interest is a term that indicates an interest or stakeholder in a particular situation or outcome. Synonyms for this phrase include a personal stake, financial investment, commitment, involvement, and interest. Other synonyms for vested interest include influence, concern, dedication, absorption, share, attachment, and partiality. These phrases convey similar meanings: an individual or group has a significant interest in a particular matter or decision. Vested interest is often used in legal, financial, and political contexts to indicate a person or group with a significant stake in a particular outcome. The use of synonyms can help to emphasize the importance and impact of vested interest in different scenarios.