The antonyms for the word "more overrefined" can be less sophisticated, less polished, or less refined. These words suggest a lack of complexity, simplicity, and even rawness. While some may view overrefinement as desirable, others may prefer a more effortless or natural approach. Therefore, using antonyms like basic, straightforward, or rude can convey a different message than that of overrefinement. It is essential to understand the context in which these words are used to ensure that the right message is conveyed. Overall, the antonyms for "more overrefined" offer a range of options to describe a less refined approach or a more simplistic or raw approach.