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
mouth
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mouth" is correct and usable in written English, depending on the context.
It can be used in various contexts, such as discussing anatomy, speech, or metaphorical expressions related to speaking or expressing opinions. Example: "He opened his mouth to speak, but no words came out."
✓ Grammatically correct
News & Media
Lifestyle
Sport
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
60 human-written examples
The nymph's extendable mouth parts, housed behind serrated jaws, are the stuff of a science-fiction nightmare, part of the inspiration for HR Giger's creature from the film Alien, a fragment from the palaeozoic era projected on to a dystopian future.
News & Media
In the British Muslim community, by no means homogenous, Warsi should gain some support for putting her job where her mouth is over the distress of Gaza.
News & Media
One of them told me 'shut your mouth or I will hit you so hard that your mouth will be full of blood'".
News & Media
Word of mouth is your only hope; get people talking about you early on, and by the end of your week they'll be queuing around the block.
News & Media
When a child dies of neglect or abuse, the local authority is accused of incompetence and negligence; if there is an outbreak of foot and mouth disease, claims about inadequate precautions are heard; former employees of companies which have collapsed during the recession demand to know why more has not been done to save their jobs.
News & Media
I had no experience as an arts correspondent - or any relevant expertise -but I figured I could fake it if I kept my mouth shut.
News & Media
The entire clip was filmed on location in Gibson's home territory of Pennsylvania's coal region, featuring the towns of Centralia, Jim Thorpe, Mahanoy City, Mt Carmel, Nesquehoning, Shamokin and Shenandoah; little happens aside from the looming sense of foreboding, tempered slightly by closeups of the Sub Pop heartthrob shovelling chips into his mouth.
News & Media
It has become the metal with which we are the most intimately acquainted; after all, we put it in our mouth almost every day.
News & Media
On the way to hospital, she remembered she'd been taking a picture when it happened – she looked on her cellphone and there it was: me, holding the fish, and a sea lion mid-air, its mouth around my hand.
News & Media
"I used to sit with my hand over my mouth.
News & Media
The menace had been all German, the South Americans' anxiety prompting a huddle just inside the mouth of the tunnel as they sought urgency with the intrusive television cameras shoved away by Martín Demichelis.
News & Media
Expert writing Tips
Best practice
When describing the location of something, use "mouth" to refer to the opening of a cave, river, or other geographical feature. For example, "the mouth of the cave" or "the mouth of the river."
Common error
Overusing "mouth" in metaphorical expressions can make your writing sound repetitive. Instead, consider using more vivid and descriptive language to convey the intended meaning. For example, instead of "the mouth of the storm", try "the heart of the storm".
Source & Trust
95%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "mouth" is a noun, referring to the opening in the face used for eating and speaking. It can also function as a verb, meaning to utter or speak. Ludwig provides examples of both uses, demonstrating its versatility.
Frequent in
News & Media
35%
Lifestyle
20%
Sport
15%
Less common in
Music
10%
Books
10%
Travel
10%
Ludwig's WRAP-UP
The term "mouth" is a versatile word primarily functioning as a noun to denote the opening in the face used for eating and speaking. Ludwig AI confirms its grammatical correctness and widespread use. It also functions as a verb, meaning to utter or speak. Found across various contexts, "mouth" is frequently seen in News & Media, Lifestyle, and Sport articles. The related phrases offer alternative ways to express similar concepts, while the writing guidance provides practical tips for effective usage. From anatomical descriptions to metaphorical expressions, "mouth" plays a crucial role in language, as shown by Ludwig.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
oral cavity
Focuses on the anatomical aspect rather than the communicative or metaphorical uses.
oral opening
Emphasizes the opening aspect of the mouth.
lips
Highlights the outer part of the mouth
speech
Refers to the act of speaking that involves the mouth.
utterance
Focuses on the act of expressing something through the mouth.
gob
A slang term for mouth.
cakehole
An informal term for mouth, suggesting eating or talking.
word of mouth
Emphasizes how information spreads.
trap
A slang term referring to the mouth.
voice
Refers to the expression aspect involving the mouth
FAQs
How can I use "mouth" in a sentence?
You can use "mouth" in various contexts, such as describing the anatomical feature (e.g., "Open your mouth"), the opening of a geographical feature (e.g., "the mouth of the river"), or in idiomatic expressions (e.g., "word of mouth").
What are some synonyms for "mouth"?
Synonyms for "mouth" include "oral cavity", "lips", "gob" (slang), and "cakehole" (informal).
When is it appropriate to use the idiom "word of mouth"?
Use "word of mouth" to describe how information is spread informally through conversation, rather than through formal advertising or media.
Is it correct to use "mouth" to describe the opening of a cave?
Yes, "mouth" can be used to describe the opening or entrance of a cave, river, or other similar geographical feature. For example, "the mouth of the cave" is perfectly acceptable.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
95%
Authority and reliability
4.5/5
Expert rating
Real-world application tested