foul mouth

USAGE SUMMARY

The phrase "foul mouth" is correct and commonly used in written English.
It is typically used to describe someone who uses offensive or vulgar language. Example: The child's parents were shocked to hear him use such a foul mouth, and scolded him for his inappropriate language.

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Foul mouth.

The Guardian - Lifestyle

Unless, of course, it was Foul Mouth.

The New York Times

He has a joyfully foul mouth.

The New York Times

And there is that foul mouth.

The New York Times - Arts

Lyndon B. Johnson's foul mouth was legendary.

The New York Times

*The Student With the Foul Mouth.

The New York Times

"I have quite a foul mouth," she admitted.

The New York Times - Magazine

But I'm bad about one thing: at work, I have a very foul mouth.

The New York Times

Mr Sinker's profanity-laced tweets quickly spread (the real Emanuel has a notoriously foul mouth).

The Economist

She looks so traditionally feminine that her foul mouth and bellicose nature are amusing surprises.

The New York Times - Arts

In this case, a foul mouth is meant to cover up for Trump's ignorance and weakness.

The Washington Post

Expert writing Tips

Best practice

When describing a character or public figure, use "foul mouth" to succinctly convey their use of offensive or vulgar language. Ensure that this characteristic aligns with the overall tone and context of your writing.

Common error

While "foul mouth" is a descriptive term, avoid overusing it, especially in close proximity within your text. Vary your descriptions by using synonyms like "profane language" or describing the specific types of offensive words used.

Linguistic Context

The phrase "foul mouth" functions primarily as a noun phrase, often used to describe a person's tendency to use offensive or vulgar language. As Ludwig AI confirms, this is a common expression in English. Examples show it describing both fictional characters and real people.

Expression frequency: Very common

Frequent in

News & Media

82%

Academia

7%

Wiki

2%

Less common in

Formal & Business

0%

Science

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "foul mouth" is a commonly used noun phrase to describe someone who frequently uses offensive or vulgar language. As confirmed by Ludwig AI, the phrase is grammatically correct and appears most frequently in news and media contexts. While generally neutral in register, it carries a negative connotation. For alternative expressions, consider options like "vulgar language" or "profane language", depending on the specific nuance you wish to convey. When using "foul mouth", ensure it aligns with the tone of your writing and avoid overuse to maintain clarity and impact.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

vulgar language

Focuses on the type of language used rather than attributing it to a person's character.

offensive language

Highlights the impact of the language on others, emphasizing its potential to cause offense.

profane language

Emphasizes the irreverent or blasphemous nature of the language used.

crude language

Draws attention to the unsophisticated and unrefined nature of the language.

obscene language

Highlights the sexually explicit or indecent nature of the language.

abusive language

Focuses on the use of language to harm or demean others.

swears frequently

Describes the habit of using swear words often.

uses strong language

A more general term indicating the use of forceful or explicit vocabulary.

has a potty mouth

A more informal and often humorous way of saying someone uses vulgar language.

raunchy vocabulary

Implies language that is explicitly sexual or suggestive.

FAQs

How can I describe someone who uses offensive language?

You can use phrases like "vulgar language", "offensive language", or "profane language" as alternatives to describing someone as having a "foul mouth".

What is the connotation of the phrase "foul mouth"?

The phrase "foul mouth" generally has a negative connotation, implying that someone uses language that is considered offensive, vulgar, or inappropriate. It suggests a lack of control or respect in their speech.

Is it appropriate to use the term "foul mouth" in formal writing?

While the term "foul mouth" is widely understood, it might be considered too informal for certain types of formal writing. In such cases, consider using more neutral terms like "offensive language" or "profane language" to maintain a professional tone.

Which is correct, "foul mouth" or "foul-mouthed"?

"Foul mouth" (two words) is a noun phrase, while "foul-mouthed" (hyphenated) is an adjective. For example, "He has a foul mouth" (noun) versus "He is foul-mouthed" (adjective).