The term "more gibbose" refers to something that has a pronounced bulge or curve. There are many synonyms for this term that can be used to convey the same idea, such as protuberant, convex, swollen, and rounded. Other words that could be used to describe something that is more gibbose include curvaceous, arched, or even bump-shaped. In order to find the best synonym for this term, it is important to consider the context in which it is being used, as well as the specific imagery or emotion that the writer is trying to convey. Regardless of the word choice, however, the term "more gibbose" indicates a clear sense of shape and form.