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 unacceptable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'That's unacceptable' is correct and usable in written English.
You can use this phrase to indicate that you do not accept or approve of something. For example: I apologize for being late, but that's unacceptable.
✓ Grammatically correct
News & Media
Sports
Alternative expressions(3)
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
A wage freeze, that's unacceptable".
News & Media
All of this gut-wrenching, that's unacceptable.
News & Media
If you have a Spanish accent, that's unacceptable".
News & Media
"If you start telling Thais how to cook real Thai food, that's unacceptable".
News & Media
"To not get the ball in the end zone, that's unacceptable.
News & Media
It just needs to be turned into a dirty practice that's unacceptable.
News & Media
"For me, that's unacceptable.
News & Media
For Cooper, the retired FBI agent, that's unacceptable.
News & Media
But if we intervene to save these horses, that's unacceptable".
News & Media
"It's nothing pretty about tonight's game, and that's unacceptable.
News & Media
You are writing me out of this country's history - and that's unacceptable..
News & Media
Expert writing Tips
Best practice
Use "that's unacceptable" to clearly and directly express your disapproval of a situation, behavior, or outcome. Ensure the context is clear to avoid misinterpretation.
Common error
Avoid using "that's unacceptable" in very casual conversations where a less formal expression of disagreement would be more appropriate. It can sound overly harsh or rigid in informal settings.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that's unacceptable" functions as an expressive statement, conveying strong disapproval, disagreement, or rejection. It's often used to set boundaries or voice objections, as illustrated by Ludwig's examples.
Frequent in
News & Media
40%
Sports
20%
Formal & Business
15%
Less common in
Science
10%
Encyclopedias
5%
Wiki
5%
Ludwig's WRAP-UP
In summary, "that's unacceptable" is a common and direct way to express disapproval or rejection. As Ludwig AI confirms, the phrase is grammatically correct and suitable for various contexts, particularly in news, sports, and business settings. While versatile, it's essential to be mindful of the context to avoid sounding overly harsh in informal settings. Consider alternatives like "that's intolerable" or "that's unjustifiable" to fine-tune your message. Using "that's unacceptable" is a powerful way to assert boundaries and convey clear expectations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's not acceptable
A straightforward synonym expressing disapproval.
that's intolerable
Emphasizes the inability to endure something.
it is unacceptable
A more formal way of saying the same thing.
that's inadmissible
Highlights that something cannot be allowed or accepted, particularly in a formal setting.
that's unjustifiable
Focuses on the lack of valid reasons or excuses for something.
that's inexcusable
Stresses that something cannot be forgiven or justified.
that's reprehensible
Highlights the moral wrongness and deserving of condemnation.
that's unbearable
Emphasizes the difficulty or impossibility of enduring something, often due to emotional distress.
that's unreasonable
Indicates that something is not fair or logical.
that's unsuitable
Indicates that something is not appropriate for a particular situation or purpose.
FAQs
What does "that's unacceptable" mean?
The phrase "that's unacceptable" expresses strong disapproval or rejection of something, indicating that it does not meet the required standards or is morally wrong.
How can I use "that's unacceptable" in a sentence?
You can use "that's unacceptable" to respond to a situation or behavior you disapprove of. For example, "I apologize for being late, but the repeated delays are "that's unacceptable"."
What can I say instead of "that's unacceptable"?
You can use alternatives like "that's intolerable", "that's inadmissible", or "that's unjustifiable" depending on the specific context and the reason for your disapproval.
Is "that's unacceptable" different from "it is unacceptable"?
While both phrases convey the same meaning, "it is unacceptable" is slightly more formal than "that's unacceptable". The choice depends on the context and the level of formality desired.
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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
4.5/5
Expert rating
Real-world application tested