When it comes to finding antonyms for the word "more nontranslucent," the first thing that comes to mind is "clear." Other antonyms could include "transparent," "translucent," and "see-through." All of these words convey the opposite meaning of "more nontranslucent," which is something that is not easy to see through or has a high degree of opacity. In other contexts, antonyms for "more nontranslucent" might include "shiny," "glossy," or "reflective," depending on the specific context and the qualities that need to be highlighted. Regardless of the context, antonyms provide balance and contrast to language, enabling us to better convey our thoughts and ideas.