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
that was fun
Grammar usage guide and real-world examplesUSAGE SUMMARY
"that was fun" is correct and usable in written English.
You can use it when you want to express that a certain activity was enjoyable. For example, "We went for a walk on the beach this morning - that was fun!".
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(20)
that was enjoyable
that was pleasant
it was enjoyable
i had a great time
it was a blast
it was a good time
it was entertaining
it was delightful
it was exciting
it was amusing
it was a pleasure
that was exciting
that looks amusing
that appears entertaining
that sounds delightful
that looks enjoyable
that looks exciting
that was kind
that was amusing
that seems enjoyable
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
51 human-written examples
A restaurant that was fun?
News & Media
Yeah, that was fun.
News & Media
"Oh, that was fun!
News & Media
"Man, that was fun," Rodriguez said.
News & Media
"Man, that was fun," he says.
News & Media
"Wow, that was fun," he said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
9 human-written examples
Find competition that's fun.
News & Media
He added, "To me, that's fun".
News & Media
E: Yeah, that's fun.
Science
Wow, that is fun!
News & Media
At least that's fun.
News & Media
Expert writing Tips
Best practice
Use "that was fun" to casually express enjoyment after an event or activity. It's suitable for informal conversations and lighthearted contexts.
Common error
Avoid using "that was fun" in highly formal or professional communications. Opt for more sophisticated alternatives like "that was an enjoyable experience" or "I found that quite stimulating".
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that was fun" primarily functions as an exclamatory expression used to convey enjoyment or satisfaction after an event or experience. Ludwig AI confirms its usability in written English.
Frequent in
News & Media
60%
Wiki
20%
Science
10%
Less common in
Formal & Business
5%
Academia
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "that was fun" is a common and grammatically correct phrase used to express enjoyment after an event or activity. As Ludwig AI confirms, it’s perfectly acceptable in written English. While versatile, its informal register makes it more suitable for casual settings than formal or professional communications. Its frequent appearance in news and media sources highlights its widespread use in expressing positive sentiments. Consider alternatives like "it was enjoyable" for more formal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
i had a great time
Shifts the focus to personal experience and enjoyment.
it was a blast
Replaces "fun" with a stronger expression of enjoyment, "blast."
it was a good time
Emphasizes the quality of the experience in terms of time spent.
it was enjoyable
Uses a more formal synonym for "fun", "enjoyable."
it was entertaining
Highlights the quality of providing amusement or enjoyment.
it was delightful
Uses a more refined and positive adjective to describe the experience.
it was exciting
Focuses on the thrilling or stimulating aspect of the experience.
it was amusing
Highlights the humorous or entertaining aspect of the experience.
it was a pleasure
Indicates a more formal and gracious enjoyment of the experience.
it was a hoot
Uses a slang term to emphasize the fun and amusement experienced.
FAQs
How can I use "that was fun" in a sentence?
You can use "that was fun" to express enjoyment after an activity, such as "The concert was amazing, "that was fun"!"
What's a more formal way to say "that was fun"?
Alternatives include "that was enjoyable", "that was pleasant", or "that was stimulating" depending on the context.
Is it appropriate to use "that was fun" in professional emails?
It depends on your relationship with the recipient. If it's a casual work environment, it can be acceptable. Otherwise, consider alternatives like "I appreciated the experience" or "It was a productive meeting".
What are some situations where "that was fun" might not be the best choice of words?
"That was fun" might be inappropriate in somber or serious situations, such as after a difficult meeting or during a discussion about sensitive topics. Choose more empathetic or professional language in such contexts.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested