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Synonyms

mucky

American  
[muhk-ee] / ˈmʌk i /

adjective

muckier, muckiest
  1. of or like muck.

  2. filthy, dirty, or slimy.

  3. British Informal.

    1. obscene.

      a mucky story.

    2. nasty; mean or contemptible.

      a mucky trick.

    3. (of weather) oppressively humid.


mucky British  
/ ˈmʌkɪ /

adjective

  1. dirty

  2. of or like muck

"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

Other Word Forms

Derived Forms

Etymology

Origin of mucky

First recorded in 1530–40; muck + -y 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mr. Paré-Poupart is in his element when describing the men with whom he’s worked, misfits all yet high-functioning pros in the mucky métier they’ve chosen for themselves.

From The Wall Street Journal • Jun. 12, 2026

The trees won’t take in wetlands, in mucky soils.

From Slate • Apr. 20, 2026

In PowerWash Simulator's case that means cleaning through one mucky area - say, a fun house or a roller disco - after another; quite literally rinse and repeat.

From BBC • Apr. 3, 2026

I waded a long way out, til the bottom grew mucky and seaweed tickled my legs, then submerged.

From Los Angeles Times • Oct. 7, 2025

Her hand fumbled along the mucky sheet until it found the small book of Psalms I had dropped.

From "Fever 1793" by Laurie Halse Anderson

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