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
this shouldn't exist
Grammar usage guide and real-world examplesAlternative expressions(20)
this should not be
this is unacceptable
this is inappropriate
this is not permissible
this is regrettable
this cannot be allowed
this needs to change
it's not right
should not be
it is not supposed to be
this is undesirable
this isn't right
this cannot be
this must not be
this is incorrect
this is unfair
this is wrong
erroneous
something is wrong
this is impossible
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
So in any ideal society we're designing, surely we'd want to say: this should not exist.
News & Media
So in any ideal society we're designing, surely we'd want to say that this should not exist.
News & Media
A criminal justice system as medieval and gruesome as this should not exist in the world today.
News & Media
This nation shouldn't exist, if there is any justice in the world, for its foundations are murder, theft and cruelty".
News & Media
Essentially, this thing shouldn't exist outside of Apple.
News & Media
(Again, I'm not saying this new movie shouldn't exist, just that it shouldn't be called "RoboCop").
News & Media
Lesson learned: anime is completely ludicrous and this sort of action shouldn't exist in the mind of a measured human being.
News & Media
We used to accept this crap of: We're not worthy, and we shouldn't exist, like this government is trying to push down our throats.
News & Media
Homelessness simply shouldn't exist in this day and age.
News & Media
This doesn't mean the section shouldn't exist: hipsters like good literature, and their preferences provide a helpful means of thinking about and organizing books.
News & Media
Childcare workers drop by to check up on kids who didn't turn up to school that day, and concrete verandas covered in glass from broken bottles point to an alcohol problem that shouldn't exist in this dry community.
News & Media
Expert writing Tips
Best practice
In social or political commentary, use this phrase to highlight systemic injustices, like poverty or modern slavery, to signal that they are unacceptable in a modern society.
Common error
Avoid using "this shouldn't exist" when you simply mean "this shouldn't be here". The former implies that the object should not exist anywhere in the world, whereas the latter suggests it is merely in the wrong location.
Source & Trust
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this shouldn't exist" functions as a negative modal construction that expresses a normative judgment, a logical contradiction, or a moral condemnation. According to Ludwig, it is frequently used as a predicate following a specific subject to mark that subject as an anomaly.
Frequent in
News & Media
65%
Science
20%
Formal & Business
10%
Less common in
Wiki
3%
Social Media
1%
Reference
1%
Ludwig's WRAP-UP
In conclusion, "this shouldn't exist" is a versatile and powerful tool for writers to flag inconsistencies or injustices. Whether used by Ludwig AI to identify scientific anomalies or by journalists to condemn societal failures, the phrase effectively communicates that the subject's existence is a breach of expectation. It serves as both a rhetorical device for impact and a precise linguistic marker for logical paradoxes. Writers should choose between the contracted and full forms based on the required level of formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
this should not exist
More formal and emphatic by avoiding the contraction.
this ought not to exist
Uses a more formal modal verb to imply moral obligation.
this should be non-existent
Uses an adjective to describe the desired state of the subject.
this has no place here
Shift focus to the inappropriateness of the object in a specific context.
this shouldn't be possible
Emphasizes logical or physical impossibility rather than moral disapproval.
this has no right to exist
Adds a strong layer of moral or ethical judgment.
this shouldn't even be a thing
A more colloquial or modern idiomatic way to express disbelief.
this must not exist
Conveys a sense of necessity or a command to eliminate the subject.
this should not be
A broader, almost poetic expression of disapproval or wrongness.
this is fundamentally wrong
Explicitly states the ethical flaw instead of implying it through existence.
FAQs
Is it better to use "this shouldn't exist" or "this should not exist"?
Both are correct, but "this should not exist" is preferred in formal academic or legal writing to provide greater emphasis.
Can I use "this shouldn't exist" for scientific anomalies?
Yes, it is very common in science to describe things that challenge current theories, such as a "planet that shouldn't exist".
What is the difference between "this shouldn't exist" and "this doesn't exist"?
"This doesn't exist" is a statement of fact, while "this shouldn't exist" implies that the thing actually exists but its existence is a mistake, an anomaly, or an injustice.
What is a more formal way to say "this shouldn't exist"?
You might use phrases like "this is entirely without precedent" or "this ought not to be" depending on the specific meaning you wish to convey.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested