Ring-fence is a term primarily used in business and finance. It means to protect or secure a particular activity, asset, or fund in such a way that it is isolated or isolated from other parts of the organization or the broader economy. The term has several synonyms, including insulate, protect, safeguard, sequester, quarantine, and secure. These words refer to different aspects of protecting or isolating a particular asset, such as preventing it from being impacted by external forces or ensuring it remains separate and distinct from other activities. The use of synonyms for ring-fence depends on the context in which it is used and the specific meaning or intent behind it.