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clear as mud

Murky, obscure, totally unclear, as in The translation of these directions is clear as mud. This ironic phrase always indicates that something is far from clear. [Early 1800s]

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words

unimaginableunintelligiblepuzzlingimpenetrableopaqueunfathomablebafflingmystifyinginconceivableenigmaticambiguouscrypticesotericarcanemysteriouscomplicatedvagueconfusingindecipherableinexplicable

Examples from the Web for clear as mud

Historical Examples

  • "I thought so, Doctor," says Mrs. Helpalong, and this clear-as-mud evidence against my comfort is reiterated to my mother.

    The Swamp Doctor's Adventures in The South-West

    John Robb