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
not frequent
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not frequent" is correct and usable in written English. You can use it to describe something that does not happen often or is rare. Example: "The meetings are not frequent, occurring only once a month." Alternative expressions include "infrequent" and "rarely occurring."
✓ Grammatically correct
Science
News & Media
Academia
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
They do not frequent burlesque theatres.
News & Media
It's rare, it's not frequent, but it has one.
Academia
He does not frequent this capital's outdoor cafes.
News & Media
Accidents are not frequent, but happen every few years.
News & Media
Escapes are not frequent, only some three or four having occurred the past year.
News & Media
While violence is not frequent, conflict is "fairly commonplace," according to a 2005 MSPB survey.
News & Media
People close to both men have said such emails were not frequent.
News & Media
She was not moved by the state lawyer's contention that inmates need not frequent the commissary.
News & Media
The occurrences are not frequent enough to suggest they will impede Balotelli's development.
News & Media
Today the Metro is very crowded, and bus service is not frequent enough.
News & Media
But people who are not frequent bar-hoppers need other reasons to check in.
News & Media
Expert writing Tips
Best practice
When using "not frequent", consider whether a more concise synonym like "rare" or "uncommon" might improve clarity and flow in your writing. Choose the word that best fits the specific context and desired level of formality.
Common error
Avoid using double negatives when employing "not frequent". For example, instead of saying "It is not infrequent", which can confuse readers, opt for a more direct positive statement like "It is frequent" or "It is common" if that's what you mean. If not, synonyms of "not frequent" are preferred.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not frequent" functions as an adjectival phrase modifying a noun or pronoun. It indicates the lack of frequency or occurrence of the subject being described. Ludwig examples confirm its use in various contexts to express rarity.
Frequent in
Science
45%
News & Media
40%
Academia
15%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "not frequent" is a grammatically sound and commonly used expression to denote that something occurs rarely. Ludwig AI analysis indicates it functions as an adjective phrase, primarily employed to communicate the infrequency of events or situations across various contexts, including science, news, and academia. While synonyms such as "rare" and "uncommon" exist, the choice depends on the desired nuance and level of formality. Ludwig confirms that the expression is valid and useful in written English, as "aiResponseStatus": "RESPONSE_YES".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
infrequent
Direct synonym emphasizing the lack of frequency.
not often
Simple phrasing directly conveying lack of frequency.
uncommon
A single word synonym denoting something not often found or experienced.
rare
Indicates a lower occurrence rate than "not frequent".
seldom
An adverb implying something happens only occasionally.
sporadic
Highlights the irregular and scattered nature of occurrences.
occasional
Suggests that something happens sporadically.
scarce
Implies limited availability or occurrence.
few and far between
Idiomatic expression indicating something is rare and dispersed.
unusual
Suggests something deviates from the norm in terms of frequency.
FAQs
What does "not frequent" mean?
The phrase "not frequent" means something that does not occur often; it is uncommon or rare. It's used to describe events, actions or occurrences that are sparse or happen infrequently.
How can I use "not frequent" in a sentence?
You can use "not frequent" to describe anything that doesn't happen often. For example: "Visits from family are "not frequent" due to the distance."
What are some alternatives to saying "not frequent"?
Alternatives include "rare", "uncommon", "infrequent", or "occasional". The best choice depends on the specific nuance you want to convey.
Is it better to use "not frequent" or "infrequent"?
Both "not frequent" and "infrequent" are correct, but "infrequent" is often more concise. Choose the one that best fits the tone and flow of your writing.
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