Muddybrained is a word used to describe someone who is confused or unable to think clearly. There are several synonyms that can be used to describe this state of mind. For example, someone who is muddybrained may be called disoriented or bewildered. They may also be described as groggy or dazed, indicating that they are experiencing a foggy state of mind. Another synonym for muddybrained might be befuddled, suggesting a sense of being puzzled or perplexed. Similarly, someone who is muddybrained might be called muddled, indicating that their thoughts are confused or unclear. Whatever the word used, it conveys the sense that the person is experiencing a mental fog that makes it difficult for them to navigate their thoughts and feelings.