See more synonyms for muddy on
adjective, mud·di·er, mud·di·est.
  1. abounding in or covered with mud.
  2. not clear or pure: muddy colors.
  3. cloudy with sediment: muddy coffee.
  4. dull, as the complexion.
  5. not clear mentally.
  6. obscure or vague, as thought, expression, or literary style.
  7. Horse Racing. denoting the condition of a track after a heavy, continuous rainfall has ceased and been completely absorbed into the surface, leaving it the consistency of thick mud.
verb (used with object), mud·died, mud·dy·ing.
  1. to make muddy; soil with mud.
  2. to make turbid.
  3. to cause to be confused or obscure.
verb (used without object), mud·died, mud·dy·ing.
  1. to become muddy.

Origin of muddy

First recorded in 1375–1425, muddy is from the late Middle English word muddi. See mud, -y1
Related formsmud·di·ly, adverbmud·di·ness, nounun·mud·died, adjectiveun·mud·dy, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for muddy

Contemporary Examples of muddy

Historical Examples of muddy

British Dictionary definitions for muddy


adjective -dier or -diest
  1. covered or filled with mud
  2. not clear or brightmuddy colours
  3. cloudya muddy liquid
  4. (esp of thoughts) confused or vague
verb -dies, -dying or -died
  1. to become or cause to become muddy
Derived Formsmuddily, adverbmuddiness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for muddy

late 13c., from mud + -y (2). Big Muddy in reference to the Missouri or Mississippi rivers is first recorded 1825.


"to make muddy," c.1600, from muddy (adj.). Related: Muddied; muddying.

Online Etymology Dictionary, © 2010 Douglas Harper