make something less clear or harder to understand
obfuscate - confuse
When you ‘obfuscate’, you obscure something by making it seem much more confusing and difficult to understand than it really is. This is typically done deliberately as a tactic when you are trying to be evasive or hide something, like the truth. For that reason, the word is often used in a political context.
Your argument is not helping anything, it only serves to obfuscate the main issue we’re trying to address.
The politician’s evasiveness and twisting of the facts was a deliberate obfuscation of the truth.
Those new rules are so nebulous. They are much more likely to obfuscate the situation than clarify anything.