\ ˈmək How to pronounce muck (audio) \

Definition of muck

 (Entry 1 of 2)

1 : soft moist farmyard manure
2 : slimy dirt or filth
3a : defamatory remarks or writings
b : rubbish, nonsense mindless muck
4a(1) : dark highly organic soil
(2) : mire, mud
b : something resembling muck : gunk
5 : material removed in the process of excavating or mining


mucked; mucking; mucks

Definition of muck (Entry 2 of 2)

transitive verb

1a : to clean up especially : to clear of manure or filth usually used with out
b : to clear of muck
2 : to dress (something, such as soil) with muck
3 : to dirty with or as if with muck : soil

intransitive verb

1 : to move or load muck (as in a mine)
2a : to engage in aimless activity usually used with about or around
b : putter, tinker usually used with about or around mucking around with his computer
c : interfere, meddle usually used with about or around

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Other Words from muck


mucker noun

Synonyms & Antonyms for muck

Synonyms: Noun

Synonyms: Verb

Antonyms: Verb

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Examples of muck in a Sentence

Noun Clean that muck off your shoes. spattered with muck from the pigpen Verb you can't work in the garden and not expect to muck your clothes
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Recent Examples on the Web: Noun Each scoop of her net in the three-foot-deep water brought up nothing but muck. Washington Post, "The true story of the Great Takoma Goldfish Rescue of 2021," 26 Apr. 2021 As the muck has hardened and the hardy tamarisks have flourished, Else has been forced to dramatically alter his plans. Ian James, The Arizona Republic, "Along the San Pedro River, a conservationist's dream of restoring habitat has dimmed," 3 Apr. 2021 Beloved heritage brands like Hunter and Birkenstock are getting in on the act, with muck-friendly styles that telegraph a comfort in the country. Lauren Mechling, Vogue, "According to an Authority, These Are the Best Clogs to Shop Now," 30 Mar. 2021 As the pandemic forced the petting zoo to close for months at a time starting last March, Wolovich and his daughter, Melanie, arrived at 7 a.m. every day to fork out alfalfa and hay, as well as muck out the stalls and chicken coops. Los Angeles Times, "Montebello petting zoo reopens — minus the petting," 8 Mar. 2021 Over 5 decades, researchers forecast that the project—formally known as the Mid-Barataria Sediment Diversion—could move enough sediment to bury the island of Manhattan under 3 meters of muck and create at least 54 square kilometers of new wetlands. Warren Cornwall, Science | AAAS, "Rerouting the Mississippi River could build new land—and save a retreating coast," 22 Apr. 2021 What’s worth remembering, especially in this genuinely awful time, is that people still want to bring something beautiful into their lives once in a while, to find some way to rip ourselves out of the muck of daily routine. Soleil Ho, San Francisco Chronicle, "Bay Area's fine dining scene is still alive as takeout - if you can tweezer your own salad," 16 Feb. 2021 Cut to our girl Hazel, slick with unidentified muck and emerging from a hatch in the desert, bleeding from the head. Jessica Goldstein, Vulture, "Made for Love Premiere Recap: I Just Can’t Get You Out of My Head," 1 Apr. 2021 Their 12-inch height and lug soles let these boots see you through the deepest, slickest muck. Outdoor Life, "Best Men’s Waterproof Boots: Outdoor Gear To Keep You Dry," 16 Mar. 2021 Recent Examples on the Web: Verb Wing backs Sergino Dest and Jordi Alba will be expected to run up and down the pitch in defense and attack, and as De Jong is having to muck in elsewhere, Pedri will partner Sergio Busquets in the heart of midfield. Tom Sanderson, Forbes, "FC Barcelona Versus Real Sociedad Preview: Team News And Lineup," 21 Mar. 2021 The drummer, composer and poet William Hooker gained renown on New York’s experimental scene of the 1970s and ’80s, where postmodernism flowed through the gutters and the idea was usually to muck things up. New York Times, "5 Things to Do This Weekend," 18 Feb. 2021 Deeper lugs are better at biting into the ground but could hang on to mud and muck if the lugs aren’t spaced far enough apart. Adrienne Donica, Popular Mechanics, "The Best Rubber Boots for Stomping Through Mud and Puddles," 6 Jan. 2021 But even if the tariff-happy Trump is not around in January to muck with their business, brewers worry that there is more political trouble ahead, with Joe Biden and Nancy Pelosi engaged in their own saber-rattling at foreign trade. Kevin D. Williamson, National Review, "Beer-Drinkers and Tax-Raisers," 1 Oct. 2020 Ducks and other water birds muck about while carrying myriad strains of influenza A; pigs aren’t fazed by hosting hepatitis E. Rachel Ehrenberg, Ars Technica, "The bat-virus détente," 3 July 2020 Combining smart functionality, powerful suction, adequate runtime and ease of use, the Jashen is a formidable opponent to muck and dust. Scott Simone, CNN Underscored, "The Jashen V16 vacuum is Dyson-like in power at half the price," 3 July 2020 Fine particles also seem to muck with the lungs’ ability to expel viruses and bacteria, hence the susceptibility to tuberculosis (caused by a bacteria) and pneumonia (an infection caused by both bacteria and viruses). Matt Simon, Wired, "Will Wildfire Smoke Worsen the Pandemic? We're About to Find Out," 22 May 2020 And yet, the automobile didn't need hay or to have its stall mucked. Ezra Dyer, Car and Driver, "I Want An Electric Chevy Camaro IROC," 7 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'muck.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of muck


13th century, in the meaning defined at sense 1


14th century, in the meaning defined at transitive sense 1a

History and Etymology for muck


Middle English muk, perhaps from Old English -moc; akin to Old Norse myki dung

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Time Traveler for muck

Time Traveler

The first known use of muck was in the 13th century

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Statistics for muck

Last Updated

7 May 2021

Cite this Entry

“Muck.” Dictionary, Merriam-Webster, Accessed 7 May. 2021.

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More Definitions for muck



English Language Learners Definition of muck

: wet dirt or mud
chiefly British : solid waste from farm animals
informal : something that is disgusting


\ ˈmək How to pronounce muck (audio) \

Kids Definition of muck

1 : mud, mire
2 : soft moist barnyard manure

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Nglish: Translation of muck for Spanish Speakers Encyclopedia article about muck

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