The term "most ex-" is often used to indicate a degree of extremity or superlative quality. However, there are several antonyms that can be used to convey the opposite meaning. For example, "most ex-" can be replaced with "least ex-", which indicates the opposite extreme or the lowest degree. Alternatively, "moderate" or "average" can be used as antonyms to indicate a medium level of intensity or quality. Other antonyms include "ordinary," "common," "usual," and "standard," which suggest something that is typical or unremarkable. Overall, using antonyms for the term "most ex-" can help to provide context and contrast in language.