Vested right is a term that refers to a right or privilege that cannot be taken away or modified without the holder's consent. It is a legal concept that is commonly used in property and employment law. Synonyms for vested right include guaranteed right, protected right, immutable right, and inalienable right. Other related terms include vested interest, vested claim, vested benefit, and vested estate. These terms all refer to a legal right or entitlement that has been earned or acquired and is protected by law. Understanding these synonyms can be useful in legal and business contexts, where precise language is essential to avoid confusion and misunderstanding.