Clear as mud
Clear as mud
Something that is very confusing and unclear.
Something that is very confusing and unclear.This idiom, 'Clear as mud', is used to describe a situation or concept that is extremely confusing and impossible to understand, much like trying to see through mud, which is not at all transparent. It originates from the irony of the situation because mud is never clear and anyone expecting clarity from mud would be asking for the impossible. Therefore, if something is 'as clear as mud', it is not clear at all.
This idiom, 'Clear as mud', is used to describe a situation or concept that is extremely confusing and impossible to understand, much like trying to see through mud, which is not at all transparent. It originates from the irony of the situation because mud is never clear and anyone expecting clarity from mud would be asking for the impossible. Therefore, if something is 'as clear as mud', it is not clear at all.

Use cases
When my boss explained the new company policy, it was as clear as mud. I’m going to need him to clarify it again.
I thought I understood the new traffic rules, but the way the officer explained it, everything became as clear as mud.
When the teacher was explaining calculus to me, it was as clear as mud. I’m definitely going to need some tutoring.
The doctor’s explanation for my illness was clear as mud. I left the clinic with more questions than answers.
The guidebook was as clear as mud, and instead of helping me navigate the city, it only made me more confused.
During the meeting, the manager outlined the new strategy, but it was as clear as mud. I didn’t understand what he wanted us to do.
The software user manual was clear as mud, making installation process very frustrating.
The assembly instructions for the furniture were as clear as mud, so I ended up with a lot of leftover pieces.
The explanation for how the voting system works was clear as mud. No wonder there is so much confusion during elections.
The foreign language novel was as clear as mud to me. I had to read it multiple times to understand the plot.