clear as mud
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Unclear; difficult or impossible to understand or interpret.
Where it’s used:
Used
American English
Examples
Near-synonyms: muddied, muddy, muddled, muddle-headed
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “clear as mud” mean?
Unclear; difficult or impossible to understand or interpret.
Is “clear as mud” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.