More presumed is a phrase that indicates an assumption or belief that something is very likely to happen or be true. Its antonyms, on the other hand, refer to ideas that are less likely to occur or be accepted as truth. These antonyms might include "less likely," "uncertain," "doubtful," "unlikely," or "questionable." While more presumed might convey a sense of confidence or assurance, its antonyms suggest that there is room for doubt, skepticism, or a need for more information. Understanding the nuances of different antonyms can help us communicate more effectively and accurately convey our thoughts and beliefs.