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
is frequently not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is frequently not" is correct and usable in written English.
It can be used to indicate that something often does not occur or is not the case. Example: "The solution is frequently not effective in addressing the underlying issues."
✓ Grammatically correct
Science
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
60 human-written examples
Equipment is frequently not as modern, so response times are not as good".
News & Media
However, the predicted service life is frequently not reached in practice.
The real cost of fugitive emissions is frequently not fully appreciated.
"Surgery is frequently not an option for musicians," said Dr. Cherniack, a specialist in upper extremity medicine.
News & Media
But exercise is frequently not just about health, and this is where these new drugs may fall short.
News & Media
Healthcare executives report that it is difficult to access the research literature and once found, it is frequently not relevant.
Science
However, the associated uncertainty is frequently not available even though it has a significant impact on hydrological modelling.
Science
Even among those who have been able to draw benefits, like Ms. Ley, it is frequently not enough.
News & Media
When multicomponent products are to be produced from a single feed, it is frequently not necessary to separate the feed into pure-component products.
Science
"People typically assume that government is protecting the public health from radioactive and toxic sites, but that is frequently not the case," he said.
News & Media
But, much more important, even if crime is reported, it is frequently not recorded because the police have a long and skilful history of fiddling the figures.
News & Media
Expert writing Tips
Best practice
When using "is frequently not", ensure the context clearly indicates the typical or expected state. This phrase is most effective when contrasting what often happens with what sometimes or rarely happens.
Common error
While grammatically correct, overusing "is frequently not" can make writing sound repetitive. Vary your phrasing by using synonyms like "is often not", "is rarely", or rephrasing the sentence to improve flow and readability.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is frequently not" functions as a negating statement, indicating that something does not commonly occur. As Ludwig AI confirms, this expression is valid in English. Examples show its use across different domains.
Frequent in
Science
53%
News & Media
40%
Academia
5%
Less common in
Encyclopedias
1%
Formal & Business
1%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is frequently not" serves to express that something occurs less often than expected or assumed. Ludwig AI confirms its grammatical correctness and widespread use. While versatile across various contexts, from scientific literature to news articles, it's essential to use synonyms or rephrase sentences to avoid repetitiveness in writing. The phrase maintains a neutral register and a very common frequency, making it appropriate for diverse communication scenarios. Related phrases such as "is often not" and "is not always" offer subtle variations in meaning, allowing writers to fine-tune their message.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is often not
Uses a more common synonym for "frequently", making it slightly less formal.
is not always
Emphasizes that something is not true in every instance, a subtle difference from "frequently not".
is commonly not
Replaces "frequently" with "commonly", another synonym indicating typical absence.
does not often
Changes the structure to use "does not" with "often", altering the emphasis.
is rarely
Indicates a lower occurrence rate than "frequently not".
is seldom
A more formal synonym for "rarely", implying infrequent occurrence.
is not usually
Focuses on what is typical or customary, differing slightly in nuance.
is generally not
Similar to "usually not", but may imply a broader scope or expectation.
is mostly not
Suggests that something is absent in the majority of cases.
is occasionally not
Highlights that something is sometimes absent, focusing on exceptions.
FAQs
What does "is frequently not" mean?
The phrase "is frequently not" means that something does not happen often, or is not often the case. It indicates a lack of regularity or commonality.
How can I use "is frequently not" in a sentence?
You can use "is frequently not" to express that something is not a common occurrence. For instance, "The predicted service life "is frequently not" reached in practice."
What are some alternatives to "is frequently not"?
Alternatives include "is often not", "is not always", or "is commonly not". The best choice depends on the specific nuance you want to convey.
Is "is frequently not" formal or informal?
"Is frequently not" is suitable for both formal and informal contexts, although alternatives like "is often not" may be preferred in very informal settings.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested