Whether you want to express confusion or concealment, there are many synonyms for the term "make unclear." Some of these include obfuscate, blur, cloud, obscure, veil, muddle, mystify, convolute, confound, and muddy. These words can be used to describe intentional or unintentional acts of making something less clear or intelligible, whether it is through language, images, or other means of communication. They can also be used to describe the effects of natural phenomena, such as fog or distortion. By using these synonyms, you can express different shades of meaning and add depth to your writing or conversation.