muck

1 of 2

noun

ˈmək 

1

: soft moist farmyard manure

2

: slimy dirt or filth

3

a

: defamatory remarks or writings

b

: rubbish, nonsense

mindless muck

4

a(1)

: dark highly organic soil

(2)

: mire, mud

b

: something resembling muck : gunk

5

: material removed in the process of excavating or mining

muck

2 of 2

verb

mucked; mucking; mucks

transitive verb

1

a

: 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)

2

a

: 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

mucker noun

Synonyms of muck

Noun

• dirt
• soil
• sludge
• sewage
• filth
• garbage

Verb

• stain
• dirty
• mess
• soil
• muddy
• blacken
• mire

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

Recent Examples on the Web

Noun

Sure enough, the sticky surface of the connector segment back to Arizona Trail passage 3 brought up haunting memories of being mired in muck the previous month near the Mogollon Rim, and forced me to employ a new mud-scraping stick within an hour of getting back on trail. —Joan Meiners, AZCentral.com, 8 Dec. 2025

In the muck and gore of the First World War, a dysfunctional group of soldiers is sent into no-man’s land to recover the body of a fallen angel. —Emma Alpern, Vulture, 2 Dec. 2025

Verb

The sequence offers a distressing yet strangely cathartic vision of our total demise, where the world seems more peaceful without any human endeavors mucking it up. —Wesley Stenzel, Entertainment Weekly, 2 Dec. 2025

Spencer said that vibe came out of a band — which has been filled with Tweedy family pals including members of Finom — at liberty to muck about with the arrangements. —Jed Gottlieb, Boston Herald, 12 Oct. 2025

Word History

Etymology

Noun

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

First Known Use

Noun

13th century, in the meaning defined at sense 1

Verb

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

Phrases Containing muck

• high-muck-a-muck
• high-muckety-muck
• make a muck of (something)
• muck about/around
• muck about/around with
• muck-a-muck
• muckety-muck
• muck in
• muck out
• muck up
• mucky-muck

Rhymes for muck

• chuck
• cluck
• duck
• huck
• luck
• pluck
• puck
• ruck
• schmuck
• shuck
• snuck
• struck

Kids Definition

muck

1 of 2 noun

ˈmək 

1

: soft moist barnyard manure

2

: dirt sense 1, filth

3

a

: dark rich soil

b

: mud, mire

mucky

ˈmək-ē

adjective

muck

2 of 2 verb

1

: to clean up

especially : to clear of manure or filth

2

: to dress with muck

3

: to dirty with or as if with muck