Muddy the waters

Meaning

Confuse an issue intentionally or accidentally.

Usage

Used when someone introduces ambiguity.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Metaphor from fishing or farming where muddy water obscures vision.

Appears in 20th-century editorial writing.