Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
broad mouth
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "broad mouth" is correct and usable in written English.
It can be used to describe someone or something that has a wide or large mouth, often in a literal sense, but it can also be used metaphorically to describe someone who speaks a lot or is very expressive. Example: "The fish had a broad mouth, making it easy for it to catch larger prey."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Wiki
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
12 human-written examples
54 Individuals with AS are generally non-dysmorphic as infants, but a subtle craniofacial phenotype develops with time, consisting of midface recession, prognathism, and broad mouth (the latter two are possibly consequences of tongue thrusting, mouthing behaviors and increased smiling).
He was in his mid-forties, with a broad mouth, brown hair, and ears that stuck out like a terrier's beneath a charcoal stocking cap.
News & Media
So they rebel, usually unspectacularly, by hiring a model with a tiny gap between her front teeth, a broad mouth, freckles, an infinitesimally crooked nose, or some other marginal irregularity that would pass undetected in the civilian population.
News & Media
It is not known if Chow Yun-Fat can claim any connection to Confucius, but the China Confucius Federation's distribution of a standard image of the philosopher at least offers him a physical model, even if its version of a robed old man with a long beard, broad mouth and big ears has drawn the disdain of scholars.
News & Media
South Africa is home to more than 90% of the world's white rhinos (the adjective is a corruption of the Dutch word wijde, meaning wide, a reference to the species's broad mouth) and around a third of the rarer black one.Until 1970 all had been reasonably well.
News & Media
In feeding, a manta moves through masses of macroplankton or schools of small fish, turning slowly from side to side and using the prominent cephalic fins, which project forward on each side of the mouth, to funnel the prey into the broad mouth.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
Except for a touch of sweetness, the gewürztraminer, a broad, mouth-filling wine, is a textbook example of its genre, with litchi and cloves in the bouquet and the flavor.
News & Media
Since they don't have tongues, they suck in their prey with their broad mouths using their arms to help facilitate entry.
News & Media
The head is broad with a wide mouth below the terminal snout which has two small nostrils.
Wiki
Her phenotypes included feeding difficulties in infancy, developmental delay, seizures, microcephaly, strabismus, hypertelorism, a low hairline, ear malformations, a broad nasal bridge, wide mouth, thick lips, and prominent incisors.
So might Queen Philippa, wife of Edward III, described as having broad nostrils and a wide mouth, and as being "brown of skin all over".
News & Media
Expert writing Tips
Best practice
When describing facial features, use "broad mouth" to denote a wide or expansive mouth, especially when detailing physical characteristics in scientific or descriptive contexts.
Common error
Avoid using "broad mouth" excessively in casual conversation. Simpler terms like "wide mouth" might sound more natural and less clinical in informal settings.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "broad mouth" functions primarily as a descriptive element, typically within a larger sentence. It is used to specify a particular characteristic of a subject, whether it's a person, an animal, or even an object. As Ludwig AI notes, the phrase is grammatically correct.
Frequent in
Science
40%
News & Media
35%
Encyclopedias
15%
Less common in
Wiki
10%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "broad mouth" is a grammatically correct descriptor used to indicate a mouth that is wide or expansive. As Ludwig AI confirms, the phrase is acceptable in written English, although it is more common in formal and descriptive contexts such as scientific and news reports. When aiming for precise characterization, "broad mouth" serves well, but in informal settings, simpler alternatives like "wide mouth" may be more appropriate. While the phrase is not overly frequent, its consistent application across diverse sources lends credibility to its usage. Remember to consider your audience and the overall tone when including descriptive details.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
wide mouth
Emphasizes the horizontal dimension of the mouth more directly.
large mouth
Focuses on the overall size of the mouth, without specific emphasis on its breadth.
expansive mouth
Suggests a mouth that is notably large and prominent.
generous mouth
Implies a mouth that is full and expressive, often with positive connotations.
gaping mouth
Conveys a sense of the mouth being wide open, often due to surprise or shock.
ample mouth
Highlights the fullness and size of the mouth in a somewhat formal way.
wide-open mouth
Stresses the action of the mouth being fully opened.
broad grin
Describes a wide, cheerful smile rather than the physical attribute of the mouth itself.
beaming smile
Focuses on the overall effect of a wide smile rather than the mouth's specific features.
full mouth
Highlights the thickness and prominence of the lips and mouth area.
FAQs
How can I describe someone with a "broad mouth"?
You can describe someone with a "broad mouth" by noting it as a distinctive facial feature, often alongside other characteristics like a strong jawline or full lips. The term is generally neutral and descriptive.
What's a more common alternative to "broad mouth"?
A more common alternative is "wide mouth", which is often used in everyday language. It conveys the same basic meaning but sounds less formal.
In what contexts is "broad mouth" most appropriate?
"Broad mouth" is often appropriate in scientific descriptions, medical contexts, or detailed character descriptions where precision is valued. It's less common in casual conversation.
Is it better to say "broad mouth" or "large mouth"?
Whether to use "broad mouth" or "large mouth" depends on the specific nuance you want to convey. "Broad" emphasizes the width, while "large" simply indicates overall size. They are often interchangeable but consider the specific feature you wish to highlight.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested