mud

mud — noun

1. soft, wet earth that forms when water mixes with soil, often found on the ground

1.nounA1
Definition

soft, wet earth that forms when water mixes with soil, often found on the ground after rain or near rivers.

Example

After the heavy rain, the garden path turned into thick, sticky mud.

Talia wiped the mud off her boots before she walked into the house.

collocation: wipe mud off [something]

Common collocations
  • thick mud
  • soft mud
  • wet mud
  • sticky mud
  • mud bath
  • mud hut
  • mud pie
  • mud puddle
Synonyms
  • dirt

    broader term for any loose soil or dust, not necessarily wet

  • mire

    literary; deep, sticky mud in a boggy or swampy area

  • sludge

    thicker and more liquid; often associated with industrial waste or sewage

  • clay

    a specific type of sticky soil that can be shaped and hardened

Grammar Patterns

preposition + mud (in/through/with the mud)

mud + noun (mud hut / mud bath / mud pie)

Usage Note

Mud is uncountable — do not say 'a mud'. Use 'some mud', 'a patch of mud', or 'a lot of mud'.

Common Mistakes

I stepped in a mud.
I stepped in some mud.
mud is uncountable and does not take the article 'a'.
The mud was very dirty.' (mud is already dirty by definition)
The mud was very thick and difficult to walk through.
describe consistency, not cleanliness.

2. insults or untrue statements made about someone in public, especially in politic

2.nounC1
Definition

insults or untrue statements made about someone in public, especially in politics, with the goal of damaging that person's reputation.

Example

During the election, both candidates threw mud at each other in the televised debate.

collocation: throw mud at [someone]

Saira refused to take part in the mud-slinging and kept her comments respectful and honest.

collocation: mud-slinging (compound noun)

Common collocations
  • sling mud
  • throw mud
  • mud-slinging
  • mud-slinging campaign
Synonyms
  • slander

    stronger, more formal; carries legal implications of false spoken statements

  • defamation

    formal legal term for harming someone's reputation through false claims

  • smear

    a deliberate attempt to damage a reputation, often through a 'smear campaign'

Antonyms
  • praise

    expressing approval or admiration

Grammar Patterns

throw / sling + mud + at [someone]

mud-slinging + noun (campaign / attack)

Usage Note

Most commonly occurs in the fixed phrases 'sling/throw mud' and the compound 'mud-slinging'. The sense is almost always used in political or public-relations contexts.

Common Mistakes

He threw mud on his shirt.' (physical meaning)
He threw mud at his opponent during the debate.
in this sense, 'throw mud' means to insult, not to physically throw wet earth.
Idioms

(as) clear as mud

idiom

not clear at all; very difficult to understand.

The professor's explanation was as clear as mud — I left the lecture more confused than when I arrived.

I read the instructions twice, but they were still as clear as mud.

mud sticks

idiom

people remember and believe bad things that are said about someone, even if those things are later shown to be untrue.

Even after the politician was proven innocent, some voters still doubted him — mud sticks.

Liang knew that mud sticks, so he was careful never to spread rumours about anyone.

somebody's name is mud

idiom

someone is disliked or unpopular because of something they have done wrong.

After he lost the company's money, his name was mud around the office.

My name will be mud if I forget to pick up the children from school again.

fling, sling, etc. mud (at somebody)

idiom

To criticize someone or make false accusations to harm their reputation, especially in politics.

During the debate, both candidates flung mud at each other.

The opposition party slung mud at the minister to weaken his support.

somebody’s name is mud

idiom

Someone is disliked or unpopular because of something they did wrong.

After the scandal, the CEO's name is mud in the industry.

If you break the rules, your name will be mud around here.

mud — verb

Word family

  • muddy
    adjectiveA2
  • muddiness
    nounC1
  • mud-slinging
    nounC1
  • mudbath
    nounB2
  • mudflat
    nounB2

Synonym discussion

Sense: noun/1

Mud, dirt, mire, sludge, and clay all refer to earth or soil, but they differ in consistency and typical context. Mud is wet, soft earth that forms after rain — it is the most common everyday word and the one learners encounter earliest. Dirt is a broader term for any loose soil or dust, whether wet or dry; you sweep dirt off a floor, but you scrape mud off your boots. Mire is a literary word for deep, sticky mud that is difficult to walk through — it suggests a boggy or swampy area that traps people or vehicles. Sludge is thicker and more liquid than mud, often with an unpleasant, greasy feel, and it is frequently associated with industrial waste or sewage. Clay is a specific type of fine-grained soil that becomes sticky when wet and hard when fired; unlike mud, clay is used intentionally for pottery and bricks. For example, you might wipe mud off your shoes after a rainy walk, shape clay into a bowl, avoid walking through a mire, and dispose of toxic sludge carefully.

dirt ↗mire ↗sludgeclay ↗

Common collocations

Nouns

Adverbs

Phrases

  • stuck in the mud
  • covered in mud
  • caked with mud
  • sling mud
  • throw mud

Prepositions

Etymology

Proto-GermanicMiddle Low German / Middle DutchMiddle EnglishEnglish

Mud comes from Middle English 'mudde', which probably came from Middle Low German 'mudde' or Middle Dutch 'modde', both meaning wet, soft earth. These words trace back to the Proto-Germanic root '*mud-', which is related to similar words in other Germanic languages such as German 'Moder' (meaning mud or mire) and Swedish 'modd' (slush). The figurative sense of 'mud' as insult or slander dates back to the 1700s, and expressions like 'sling mud' and 'mud-slinging' became common in American politics in the 1800s.