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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
at their fun
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at their fun" is not correct and does not convey a clear meaning in written English.
It is unclear when this phrase could be used due to its lack of clarity and grammatical structure. Example: "They enjoyed the day at their fun" does not make sense as it stands.
⚠ May contain grammatical issues
Science
News & Media
Formal & Business
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Adapted and directed by Burt Shevelove, "No, No, Nanette" was the show that made camp, a sensibility largely associated with gay men at their silliest, fun for the whole family.
News & Media
Sly and the Family Stone: Stand! (1969) The paranoia-riven There's a Riot Goin' On is the one the critics tell you to buy, but Stand! is the album that captures the band at their most fun and funky.
News & Media
Lib Dems can have their fun at the margins, it turns out.
News & Media
Kids will have their fun at the Kinderplatz and adults can eat, drink and be merry.
News & Media
Of course Mr Belloc and Mr Chesterton are serious persons, and their fun is at bottom, as Matthew Arnold might say, a criticism of life.
News & Media
Yet all of them got their fun times at some point.
News & Media
They may or may not regret driving away their fun, but at the least you've probably turned the audience against them.
Wiki
Coaches and managers were also influential, with participants explaining the importance of an approachable, friendly coach who didn't shout at them in keeping them interested and having fun at their chosen sport: " If you had a nice coach or something - they don't act like a coach, they act more like a friend to you instead (G, HA).
Science
Amy Schumer and Jennifer Lawrence came on strutting, with a garbled routine poking fun at their own popularity ("They seem so fun to be around, and they should be models!"), but with none of the self-deprecating edge of Poehler and Fey.
News & Media
Passerbs will certainly notice guests have fun at their table and the large exterior monitor reflects all fun being had inside.
News & Media
And in Australia the news media have poked fun at their athletes for underachieving in nearly every sport.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "at their fun" in formal writing. Opt for more grammatically correct alternatives such as "enjoying themselves" or "at their leisure".
Common error
A common error is to assume "fun" can directly follow the preposition "at" to indicate location or activity. Instead, use a gerund or a noun that clearly expresses enjoyment, such as "enjoyment" or "leisure".
Source & Trust
84%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at their fun" functions as a prepositional phrase, but its usage is non-standard. Ludwig AI analysis indicates it's grammatically questionable. While prepositions usually connect nouns or pronouns, "fun" in this context doesn't create a coherent meaning.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, the phrase "at their fun" is not considered grammatically correct in standard English. Ludwig AI analysis confirms this assessment. The phrase attempts to convey the idea of individuals experiencing enjoyment or leisure, but more conventional and grammatically sound alternatives should be preferred.
Better options include phrases like "enjoying themselves", "at their leisure", or "having fun", which clearly communicate the intended meaning. Due to its lack of established usage, "at their fun" should be avoided in both formal and informal contexts to ensure clarity and grammatical accuracy.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
having a good time
A common and general way to say someone is enjoying themselves.
at their leisure
Replaces "fun" with a focus on free time and relaxation. Indicates doing something without pressure.
enjoying themselves
Focuses on the act of experiencing pleasure, rather than the source of the pleasure.
at their pleasure
Indicates that something is done to satisfy their desires or enjoyment.
at their amusement
Highlights the entertainment or diversion they are experiencing.
finding enjoyment
Highlights the act of discovering or experiencing pleasure.
in their element
Emphasizes a state of being where someone is comfortable and thriving, often enjoying what they are doing.
engrossed in their activity
Focuses on being deeply involved and enjoying the engagement in a specific task or hobby.
indulging in recreation
Suggests a deliberate engagement in activities for relaxation and pleasure.
reveling in the moment
Emphasizes the joy and exuberance felt in a particular situation.
FAQs
What does "at their fun" mean?
The phrase "at their fun" is not standard English and doesn't have a clear, widely recognized meaning. It's best to use more common and grammatically correct alternatives like "at their leisure" or "enjoying themselves".
Is it correct to say "at their fun"?
No, it is not grammatically correct to say "at their fun". More appropriate alternatives include "during their enjoyment" or phrases that convey the idea of people "having a good time".
How can I rephrase "at their fun" to sound more natural?
To sound more natural, replace "at their fun" with options like "enjoying themselves", "at their leisure", or "having fun", depending on the intended context.
What are some alternatives to "at their fun" that maintain a similar meaning?
While "at their fun" is unconventional, you can use "at their amusement", "during their enjoyment", or describe the specific activity they are engaged in to express a similar idea.
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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
84%
Authority and reliability
1.8/5
Expert rating
Real-world application tested