The term "most saporous" refers to something that is full of flavor and taste. The word "antonym" means the opposite or the opposite in meaning. In this case, the antonyms for "most saporific" would be words that describe something dull, bland, or tasteless. Some antonyms for "most saporous" include flavorless, insipid, bland, stale, tasteless, unappetizing, and unpalatable. Words like these could be used to describe food that lacks flavor or taste. In contrast, "most saporous" foods are rich in flavor and stimulate the sense of taste in a positive way.