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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
this is insane
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this is insane" is a correct and usable phrase in written English.
You can use this phrase when something is extremely shocking, confusing, or hard to believe. For example: "I can't believe that he lost his wallet and his phone all in the same day. This is insane!".
✓ Grammatically correct
News & Media
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
58 human-written examples
"He starts screaming, right in my face, 'Is this how you killed her?' And I'm, like, This is insane".
News & Media
Man: This is insane!
News & Media
"This is insane," she admitted.
News & Media
"This is insane," he mutters.
News & Media
"This is insane," I said.
News & Media
"I said: 'This is insane.
News & Media
To me, this is insane".
News & Media
"This is insane," said Walker.
News & Media
This is insane, thought Douglas.
News & Media
"This is insane," Straughn said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
I thought to myself 'this is insane'," he says.
News & Media
Expert writing Tips
Best practice
Use "this is insane" to express strong disbelief, shock, or disapproval in situations where something deviates significantly from what is considered normal or acceptable.
Common error
Avoid using "this is insane" too frequently, as it can lose its impact. Vary your expressions of disbelief or shock with alternatives like "this is unbelievable" or "this is outrageous" to maintain a more engaging and nuanced tone.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is insane" functions as an exclamatory statement, expressing a strong emotional reaction, such as shock, disbelief, or outrage. Ludwig shows that this phrase is commonly used in response to surprising or unacceptable situations.
Frequent in
News & Media
98%
Science
1%
Formal & Business
1%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "this is insane" is a common and generally acceptable way to express strong feelings of disbelief, shock, or outrage. Ludwig AI confirms its correctness and usability in written English. While it's suitable for many everyday conversations and informal contexts, it's best to consider more formal alternatives for professional or academic writing. Examples on Ludwig show its widespread use in News & Media, though not as frequent in science or business contexts. Consider alternatives like "this is madness" or "this is outrageous" to add nuance to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
this is crazy
A more informal and direct synonym for "this is insane".
this is madness
Replaces "insane" with "madness", emphasizing a state of extreme folly or irrationality.
this is outrageous
Shifts the focus to the unacceptability or shocking nature of something.
this is unbelievable
Highlights the difficulty in accepting something as true.
this is unbelievable
Highlights the difficulty in accepting something as true.
this is beyond belief
Similar to "this is unbelievable" but can suggest an even stronger level of astonishment.
this is preposterous
Emphasizes the absurdity and ridiculousness of a situation.
this is absurd
Focuses on the illogical and unreasonable nature of something.
I can't believe this
Expresses personal disbelief and shock at a situation.
this is ludicrous
Highlights the comical and laughable aspect of something, while still expressing disapproval.
FAQs
What does the phrase "this is insane" mean?
The phrase "this is insane" is used to express strong disbelief, shock, or the feeling that something is extremely unreasonable or illogical.
How can I use "this is insane" in a sentence?
You can use "this is insane" when reacting to unexpected or shocking news, or when describing a situation that seems completely irrational. For example, "The fact that they're raising prices again? "This is insane"!"
What are some alternatives to saying "this is insane"?
You can use alternatives like "this is madness", "this is outrageous", or "this is unbelievable" depending on the context.
Is it appropriate to use "this is insane" in formal writing?
While "this is insane" is widely understood, it's generally considered informal. In formal writing, opt for more professional alternatives like "this is unacceptable" or "this is highly irregular".
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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