What does "clear as mud" mean?

Unclear; difficult or impossible to understand or interpret.

What is a synonym for "clear as mud"?

Common synonyms include: amorphous, blind, cloudy, dark, dim, equivocal.

adj

adj ·Rare ·Advanced level

Adjective

1
Unclear; difficult or impossible to understand or interpret. not-comparable, sarcastic

Blend of clear as day + mud. Compare muddy (“unclear, blurry”).