What is the best definition of abrogate?

The best definition of "abrogate" is to formally repeal or revoke. This term is often used in legal contexts to describe the act of annulment or cancellation of laws, agreements, or regulations. When something is abrogated, it is officially declared no longer valid or ineffective. This process is significant in governance and lawmaking, as it can involve the removal of laws that are outdated, irrelevant, or unnecessary, thus reflecting the evolving nature of legal frameworks.

Understanding this term is particularly important in discussions surrounding legislation and legal reform, because it captures the essence of how laws can be modified or nullified by authoritative bodies. The other definitions provided do not encapsulate this specific meaning, as they relate to enforcement, creation, or analysis of laws rather than their cancellation or revocation.