Mushes up refers to the act of combining or mixing things until they form a pulp or smooth paste. Its antonyms, or words that express the opposite meaning, would be words that depict separation or differentiation. Examples of antonyms for 'mushes up' may include, but not limited to: segregate, detach, extract, segregate, sift, and distinguish. When cooking, you can differentiate your ingredients by keeping them separate and not mix them up or mush them up. Similarly, you can extract juice from a fruit without mashing it up. In conclusion, there are several antonyms for the word "mushes up," and understanding them helps to convey the intended message correctly.