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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
fin
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fin" is correct and usable in written English, depending on the context.
It can be used in various contexts, such as referring to a fish's fin or as a slang term for "finished" in informal communication. Example: "The fish swam gracefully, its fin cutting through the water."
✓ Grammatically correct
News & Media
Alternative expressions(5)
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
44 human-written examples
Feeling increasingly alienated, the protagonist, Marston, finds himself musing on the meanings of America, and especially its eagerness to forget history: "Americans, he liked to say, should be born with fins, and perhaps they were – perhaps money was a form of fin.
News & Media
The quiet Mr Van Rompuy has often been more effective than the lumbering commission in setting out a coherent, all-encompassing view of what is needed for the euro, even if his "road map" has been torn up by leaders.Fin de BarrosoThe air in Brussels is now thick with a feeling of fin de régime.
News & Media
This, the brainchild of an engineer called Benjamin Thompson, is designed to replace the stabilising fin under a surfboard.
News & Media
In a poll, 69% of respondents were against the change.In this section Papandreou tries to prop up the pillars Oranges are not the only fruit Hopes blown away A prime minister struck La fin de l'histoire Too many cooks Reprints Related items Education in France: A new reckoningOct 9th 2008 French education: Bac to schoolSep 6th 2007In fact, it may not be quite as abrupt as it seems.
News & Media
A mood of fin de règne prevails within Mr Yanukovych's Party of Regions.
News & Media
Eating it, Ms Eilperin suggests, is even more reprehensible than eating other morally objectionable foods such as delicious foie gras, because there is "no gastronomic pay-off .Celebrity endorsements and well-meaning Californians aside, the question now is whether wealthy Chinese in Asia can be pay-off .Celebrityendorsements's fin.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
16 human-written examples
Next week the Neue Galerie in New York will open a new exhibition, Gustav Klimt and Adele Bloch-Bauer: The Woman in Gold, celebrating the story and the work of one of the most important artists of fin-de-siècle Vienna.
News & Media
The Japanese fear that their fishing industry is next (quite rightly: fishing blue-fin tuna is close to sending the species extinct).
News & Media
This presence renders the penguins we then spot waddling on the cliff tops above even more comic - call themselves birds with that ridiculous posture and funny arm-fin-wings?
News & Media
Mr Schröder may be serious, too, in that he seems to have the personality, the energy and perhaps even the vision to shake Germany out of its current fin-de-règne lethargy and shove it in the direction of drastic reform.
News & Media
Buy from Amazon.com, Amazon.co.ukIn this section Pointing fingers Mississippi burning Cracks within Passenger manifest Impasse at pass Art squared ReprintsHE LED an unremarkable, bourgeois life in fin-de-siècle Paris, riding his horses in the Bois de Boulogne, and sending his family to the Normandy coast to take the sea air.
News & Media
Expert writing Tips
Best practice
In informal contexts, be aware that "fin" as slang for a five-dollar bill might not be universally understood.
Common error
Avoid using "fin de siècle" interchangeably with simpler terms like "end of the century". "Fin de siècle" carries a specific historical and cultural connotation related to the end of the 19th century.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The word "fin" functions primarily as a noun, referring to an appendage of a fish or other aquatic animal, an aircraft component, or slang for a five-dollar bill. It can also function as a verb, meaning to cut the fins from a fish. Ludwig AI validates these multiple uses.
Frequent in
News & Media
60%
Formal & Business
15%
Science
10%
Less common in
Wiki
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
The word "fin" presents a multifaceted term with applications ranging from marine biology to aviation and even finance. As supported by Ludwig AI, it serves as a noun, verb, and proper noun. Its versatility is evident in its grammatical correctness across diverse contexts, including formal and informal settings. When it comes to understanding how to use "fin" it is important to be precise in technical and scientific contexts while acknowledging the possibility of different interpretations in slang usages and artistic references. Overall "fin" is very common and usable in written english.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
fiver
This is a slang term for a five-dollar bill, focusing on one specific meaning of "fin".
five-dollar bill
This is a more explicit term for a five-dollar bill.
end
This alternative captures the "fin de" usage, referring to the conclusion of something.
termination
Similar to "end", this conveys the sense of something finishing.
appendage
This is a more general term for an attached part, relating to the biological meaning of "fin".
stabilizer
This emphasizes the function of a fin on an aircraft or surfboard.
cooling blade
This focuses on the function of a fin in heat dissipation.
stabilizing rudder
Emphasizes steering function, relating to aircraft or boats.
flounder
Another term to describe swimming awkwardly.
swimming aid
General term emphasizing the use of fins for swimming.
FAQs
How can I use "fin" in a sentence referring to money?
In American slang, "fin" can refer to a five-dollar bill. For example, "Can I borrow a "fin" for the vending machine?" However, this usage is relatively informal and might not be universally understood.
What are some alternatives to "fin" when talking about the end of an era?
When referring to the end of a period, especially in the context of "fin de siècle", you could use phrases like "end of an era", "the decline", or "the twilight" depending on the specific nuance you want to convey.
In what contexts is it appropriate to use "fin" to describe a part of a vehicle?
"Fin" can refer to a stabilizing or decorative structure on vehicles like cars or aircraft. Specifically, it can be the "tail fin" of a plane, which helps with stability, or the decorative fins on classic cars from the 1950s and 60s.
Is it always clear when "fin" refers to an animal's appendage?
While commonly understood to mean an appendage on a fish, whale, or other aquatic animal, clarifying with terms like "dorsal fin" or "pectoral fin" can provide clarity, especially in technical or scientific writing. Otherwise most listeners/readers will default to the common meaning of a fin on a fish.
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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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested