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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
that so sad
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that so sad" is not correct in standard written English.
It seems to be a truncated version of "that's so sad," which can be used to express sympathy or disappointment about a situation. Example: "I heard about the accident; that's so sad."
⚠ May contain grammatical issues
News & Media
Wiki
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 examples from authoritative sources
Exact Expressions
2 human-written examples
Oh, God, isn't that so sad?
News & Media
And I like that So Sad Today exists.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Thats so sad, why?
News & Media
"Oh, isn't that hard?" "That seems so sad!" "I couldn't do that".
News & Media
That's so disturbing,' or 'That's so sad.' I guess that's what art's all about.
Wiki
The genuine boyish delight that has always made that picture so sad, given Tyson's cruel upbringing, is now brought under an even deeper shadow of pathos.
News & Media
I kept going out with the rescue workers and one day we came upon this scene that was so sad that the rescue workers gave me a vest to cross the police line.
News & Media
"One deputy's wife told me that her husband can't wait to retire now, and that is so sad.
News & Media
That's so sad.
News & Media
And that is so sad.
News & Media
"That is so sad," Daly said.
News & Media
Expert writing Tips
Best practice
Always use the grammatically correct form, "that's so sad" or "that is so sad", in formal writing and speech to ensure clarity and professionalism.
Common error
Avoid omitting the verb "is" (or its contraction "'s") between "that" and "so sad". Saying "that so sad" sounds incomplete and ungrammatical. Instead, use "that is so sad" or "that's so sad".
Source & Trust
89%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that so sad" functions as an expression of sorrow or empathy, though it's grammatically incomplete. In standard English, it requires the inclusion of the verb "is" to form a complete clause (i.e., "that is so sad" or "that's so sad"). Ludwig AI indicates the phrase is not correct in standard written English.
Frequent in
News & Media
66%
Wiki
33%
Formal & Business
0%
Less common in
Science
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, while the phrase "that so sad" might be encountered, it's grammatically incorrect in standard English. Ludwig AI confirms this assessment. To express the intended sentiment correctly, use "that is so sad" or "that's so sad". While it might surface in informal contexts, formal communication requires the grammatically sound versions. Remember to include the verb "is" for clarity and grammatical correctness. Alternative expressions like "that's unfortunate" can also be employed based on the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's really sad
Adds emphasis and uses a contraction for "that is", making it grammatically correct.
that is so sad
Expands the contraction to "that is", providing a more formal but correct alternative.
that's just sad
Replaces "so" with "just", softening the intensity while remaining grammatically sound.
that's quite sad
Substitutes "so" with "quite", offering a more understated expression of sadness.
that seems sad
Shifts the focus to perception, implying the situation evokes sadness.
that sounds sad
Focuses on the auditory aspect, suggesting the situation sounds disheartening.
that's unfortunate
Replaces "sad" with "unfortunate", presenting a more neutral expression of disappointment.
that's depressing
Uses "depressing" to convey a stronger sense of gloom and negativity.
that breaks my heart
Emphasizes emotional impact, expressing deep sorrow or sympathy.
it's a pity
Expresses regret or disappointment about a situation.
FAQs
What is the correct way to say "that so sad"?
The grammatically correct way to express the sentiment is "that is so sad" or its contraction, "that's so sad". The phrase "that so sad" is missing the verb "is".
When is it acceptable to use "that so sad"?
While not grammatically correct, "that so sad" might appear in very informal speech or creative writing aiming to mimic casual conversation. However, it's best to avoid it in formal contexts.
Are there alternatives to saying "that's so sad"?
Yes, you can use phrases like "that's really sad", "that's unfortunate", or "that's a pity" depending on the context and the level of formality.
What does "that's so sad" mean?
"That's so sad" expresses sympathy, disappointment, or regret about a situation or event. It indicates that you find something upsetting or unfortunate.
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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
2.8/5
Expert rating
Real-world application tested