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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
is not proper
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is not proper" is correct and usable in written English.
You can use it when you want to express that something is not suitable, not becoming, or not appropriate. For example: The way you treated your friends was not proper.
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(19)
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
Another police officer says that this is not proper.
News & Media
This is not proper behaviour for a prime minister".
News & Media
It is not proper for them to speak".
News & Media
Religious teaching is not proper education – it's old-fashioned brainwashing.
News & Media
"We need to use proper footballs otherwise it is not proper football".
News & Media
"I think it is not proper to single Chinese swimmers out once they produce good results.
News & Media
"This sends a strong message that basing law enforcement solely on ethnic profiling is not proper".
News & Media
"In a time like this, it is not proper to demand information and transparency".
News & Media
"However, as this matter is now before the court, it is not proper to comment further".
News & Media
That can often be hugely entertaining, but it is not proper friendship.
News & Media
But it is not a crime, and it is not proper grounds to detain someone at the border.
News & Media
Expert writing Tips
Best practice
When using "is not proper", ensure the context clearly indicates what standards or norms are being violated. Providing specific reasons enhances clarity and strengthens your argument.
Common error
While grammatically correct, "is not proper" can sound overly formal in casual conversations. Opt for more relaxed alternatives like "isn't right" or "isn't okay" to maintain a natural tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not proper" functions as a negative judgment or assertion. It's used to express disapproval or to state that something does not conform to a particular standard, norm, or expectation. Ludwig AI confirms its usability in written English.
Frequent in
News & Media
37%
Science
37%
Formal & Business
26%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "is not proper" is a versatile expression used to convey that something is inappropriate, unsuitable, or violates established norms. As Ludwig AI confirms, it is grammatically correct and widely used across various contexts, particularly in News & Media and Scientific domains. While it leans toward a neutral to formal register, it's essential to consider the specific context and audience when choosing this phrase. Alternatives like "is inappropriate" or "is unsuitable" may be more fitting depending on the intended nuance. Avoiding overuse in informal conversations and clarifying the violated standards will further enhance the effectiveness of this phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is inappropriate
Focuses on the lack of suitability or fittingness for a particular situation.
is unsuitable
Highlights the inadequacy or unfitness for a specific purpose or condition.
is not appropriate
Similar to "is not proper", emphasizing a lack of correctness or fittingness in a given context.
is incorrect
Focuses on the factual or moral wrongness of something.
is not right
Emphasizes the lack of moral or ethical correctness.
is unacceptable
Stresses that something cannot be tolerated or approved.
is not acceptable
Focuses on the lack of acceptance for something
is inadmissible
Focuses on the unacceptability of something, especially in a formal or legal context.
is out of order
Suggests that something violates established rules or procedures.
is not the way to do it
Focuses on the incorrect approach or method used.
FAQs
How can I use "is not proper" in a sentence?
You can use "is not proper" to express that something is unsuitable, inappropriate, or violates a standard. For example, "It is not proper to speak loudly in a library".
What can I say instead of "is not proper"?
Alternatives to "is not proper" include "is inappropriate", "is unsuitable", or "is not appropriate", depending on the specific context.
Which is correct, "is not proper" or "is not appropriate"?
Both "is not proper" and "is not appropriate" are correct, but they carry slightly different connotations. "Is not proper" often implies a violation of etiquette or social norms, while "is not appropriate" suggests something is unsuitable for a particular situation.
What is the difference between "is not proper" and "is not right"?
"Is not proper" typically refers to something that violates social conventions or etiquette, whereas "is not right" often implies a moral or ethical judgment.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested