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's not good
Grammar usage guide and real-world examplesUSAGE SUMMARY
"that's not good" is a correct and usable phrase in written English.
It can be used in a variety of situations to express dissatisfaction, disappointment, or concern. Example: "I just received my test results and they're not good. I only got a C+."
✓ Grammatically correct
News & Media
Sports
General Conversation
Alternative expressions(6)
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
Two injuries that's not good".
News & Media
Oh, my God, that's not good news".
News & Media
"Obviously that's not good.
News & Media
That's not good enough.
News & Media
That's not good policy".
News & Media
That's not good basketball".
News & Media
"That's not good either".
News & Media
That's not good, right?
News & Media
"That's not good," Arena said.
News & Media
"That's not good or bad.
News & Media
But that's not good enough.
News & Media
Expert writing Tips
Best practice
Use "that's not good" to express mild disappointment or concern in everyday conversations. It's suitable when the situation isn't dire but warrants a negative acknowledgement.
Common error
Avoid using "that's not good" repeatedly in close succession. Vary your expressions to convey nuanced levels of concern or disappointment, using alternatives like "that's unfortunate" or "that's concerning".
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that's not good" primarily functions as an evaluative statement, expressing a negative assessment or judgment about a situation, event, or piece of information. As Ludwig AI confirms, it is a correct and usable phrase. Its purpose is to convey concern, disappointment, or disapproval.
Frequent in
News & Media
37%
Science
16%
Formal & Business
12%
Less common in
Wiki
5%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "that's not good" is a common and grammatically correct way to express disappointment, concern, or disapproval. Ludwig AI confirms its usability and the numerous examples from reliable sources such as The New York Times and The Guardian support its widespread usage across News & Media, Science and Formal & Business settings.
While versatile, it is important to consider the context and audience. In more formal situations, alternatives like "that's unfortunate" or "that's not ideal" may be more appropriate. Overusing the phrase can also make your communication sound repetitive, so varying your expressions is recommended.
Overall, "that's not good" is a valuable part of the English lexicon for expressing negative evaluations in a clear and accessible manner.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's unfortunate
Emphasizes the regrettable nature of a situation, focusing on bad luck.
that's not ideal
Indicates something is less than perfect or desirable, but not necessarily terrible.
that's not positive
Directly states the absence of a favorable outcome.
that's a problem
Highlights an issue that needs attention or resolution.
that's worrying
Expresses concern or anxiety about a situation's potential consequences.
that's concerning
Similar to 'worrying' but can also imply a need for further investigation.
that's not great
A more casual way to express mild disappointment or disapproval.
that's suboptimal
A more formal way to say something is less than the best possible outcome.
that's a shame
Expresses regret or disappointment over an unfortunate situation.
that's regrettable
Indicates that something is unfortunate and worthy of regret.
FAQs
How can I use "that's not good" in a sentence?
You can use "that's not good" to express concern or disappointment about a situation. For example, "The doctor said my test results came back, and "that's not good"".
What are some alternatives to saying "that's not good"?
Depending on the context, you could use phrases like "that's unfortunate", "that's not ideal", or "that's concerning" to express a similar sentiment.
When is it appropriate to use "that's not good"?
"That's not good" is appropriate in informal settings when you want to express a negative reaction to news or a situation. It's generally suitable for expressing mild disappointment or concern.
Is "that's not good" too informal for professional communication?
In formal or professional contexts, it may be better to use alternatives like "that's suboptimal" or "that's not ideal" to maintain a more professional tone. "That's not good" is generally more suited for casual conversation.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested