The phrase "most glace" is not a word, but rather a combination of two words: "most" and "glace." Therefore, it is not possible to give antonyms for this phrase. However, if we consider each word separately, we can provide antonyms for them. The antonym for "most" would be "least," as they are opposite in meaning. On the other hand, "glace" is a French word that means "glazed," "frozen," or "icy." Therefore, antonyms for "glace" could be "soft," "melting," or "thawed." In conclusion, while there are no antonyms for the phrase "most glace," we can provide antonyms for its individual components.