The antonyms for the word "most wellbaked" are quite numerous. Depending on the context, the opposite of "well-baked" could be raw, undercooked, half-baked, or even burnt. In culinary terms, "most wellbaked" can be used to describe a perfectly-cooked dish that is evenly browned, flavorful, and moist. However, if the dish has not been cooked long enough or at the right temperature, it may be unpleasantly raw or hard to digest. On the other hand, food that has been overcooked or burned would be the exact opposite of "most wellbaked." To summarize, the antonyms for "most wellbaked" are raw, undercooked, half-baked, and burnt.