👉 Unexpugnable is a term used in legal contexts to describe an act or person that is impossible to undo or negate. It refers to a situation where one party has committed an act that cannot be undone, and it is not possible to restore the original state of affairs. In legal terms, unexpugnable actions are those that violate laws or regulations, such as littering, fraud, or criminal offenses. These acts can cause harm to others, violate property rights, or damage public order