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
has not recurred
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has not recurred" is correct and usable in written English.
It can be used to indicate that something has not happened again or has not repeated itself over a certain period of time. Example: "Since the initial incident, the issue has not recurred, and we believe the problem has been resolved."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
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
22 human-written examples
The disease has not recurred.
News & Media
He has said it has not recurred.
News & Media
So far, the problem has not recurred.
News & Media
It was excised and has not recurred.
News & Media
The cancer was surgically removed, and has not recurred.
News & Media
Firms are now swiftly building new plants; so far, the crisis has not recurred.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
And while SARS hasn't recurred, we can assume that the virus still abides in southern China within its reservoir hosts: one or more kinds of bat.
News & Media
After spending some time with Hawkins over coffee in north London, I attempt an amateurish diagnosis of the funny turn (which hasn't recurred).
News & Media
Furthermore, we examined p-Akt in several human DCIS cases that either recurred or had not recurred within five years after surgery and RT.
Science
He said the problem had not recurred since 2007.
News & Media
He says he was feeling better and that his headaches had not recurred.
Academia
Expert writing Tips
Best practice
When using "has not recurred", ensure the context clearly establishes what event or condition is being referred to, providing a specific point of reference for clarity.
Common error
Avoid using "has not recurred" without a clear antecedent. Always ensure the reader knows exactly what "it" refers to in order to prevent ambiguity.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has not recurred" functions as a negative perfect verb phrase. It indicates that an event or condition, which occurred at some point in the past, has not happened again up to the present time. Ludwig AI confirms its correctness and usability.
Frequent in
Science
50%
News & Media
45%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "has not recurred" functions as a negative perfect verb phrase indicating that something has not happened again. Ludwig AI confirms that it is grammatically correct and usable in written English. It is most frequently encountered in scientific and news contexts, signaling assurance that a past event or condition has not reemerged. While "has not recurred" is generally versatile, ensuring clarity by explicitly stating what "it" refers to, is important. Alternatives such as "has not returned" or "did not reoccur" can be used depending on the context. Given its precise nature, "has not recurred" is most suitable for neutral to formal registers.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
did not reoccur
Replaces "recurred" with a synonym, maintaining the negative perfect tense structure.
has not returned
Uses "returned" instead of "recurred", simplifying the vocabulary while preserving the core meaning.
did not happen again
Breaks down "recurred" into a more explicit phrase, focusing on the repetition of an event.
has not repeated itself
Adds "itself" to emphasize that the same event or issue has not occurred subsequently.
has not resurfaced
Employs "resurfaced" to suggest that something previously hidden has not reappeared.
has not relapsed
Specifically implies that a condition or problem has not returned after a period of improvement.
remained absent
Shifts the focus to the continuous absence of something, rather than its non-reoccurrence.
has not shown up again
Uses a colloquial expression to indicate that something expected or problematic has not reappeared.
ceased to reappear
A more formal way of saying something stopped coming back.
has not manifested again
A formal version, suggesting something hasn't become apparent or obvious again.
FAQs
How can I use "has not recurred" in a sentence?
You can use "has not recurred" to indicate that something has not happened again. For example: "The patient recovered fully, and the symptoms "has not recurred" since."
What are some alternatives to "has not recurred"?
Some alternatives to "has not recurred" include "has not returned", "did not reoccur", or "has not happened again", depending on the specific context.
Is it better to say "has not recurred" or "did not recur"?
"Has not recurred" is in the present perfect tense, implying the event hasn't happened up to the present. "Did not recur" is in the simple past tense, referring to a specific past period. The choice depends on whether the continuing absence is relevant.
What does "has not recurred" mean in medical contexts?
In medical contexts, "has not recurred" typically means a disease or condition has not returned after a period of treatment or remission. It indicates successful management of the health issue.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested