The word "ex-filtrates" refers to the act of extracting or removing something from a particular location or system. The opposite of this action would be the term "infiltrate," which means to enter or penetrate something. Other antonyms for "ex-filtrates" could include "deposit," "install," "embed," or "plant," which all describe actions of adding or placing items into a specific location or system. Additionally, synonyms for "ex-filtrates" could include "evacuate," "extract," or "withdraw," all of which describe actions of removal. Understanding antonyms and synonyms can help clarify meanings and enhance communication in various contexts.