Muddy up is often used to describe a situation where things become confusing, unclear, or complicated. As a result, it is important to have a good understanding of synonyms for this phrase, which can help you communicate more effectively. Some of the synonyms for muddy up include confuse, cloud, muddle, obfuscate, blur, tangle, and complicate. Each of these words can be used in different contexts and situations. For example, when you want to describe a situation where something is difficult to understand, you can use words like obscure or obfuscate. Similarly, for a situation where things become complicated, you can use words like tangle or complicate. Overall, these synonyms can help you to communicate more accurately and effectively, especially when the situation is not so clear.