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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
a singular instance
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a singular instance" is correct and usable in written English.
It can be used to refer to a unique or one-time occurrence of something. Example: "In this study, we observed a singular instance of the phenomenon that had not been documented before."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
a unique occurrence
an isolated case
an exceptional example
a one-time event
an unprecedented situation
a rare phenomenon
a unique case
an isolated example
a unique instance
a singular incident
a particular instance
a specific instance
a remarkable instance
a singular situation
a singular circumstance
a special instance
a singular example
a single instance
an abnormal time
an unusual time
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
59 human-written examples
The targeting of Beard is hardly a singular instance of online misogyny, and she is quick to note that there are differences of degree.
News & Media
This isn't a singular instance.
News & Media
Yours was not a singular instance of pain and humiliation, as interahamwe militia systematically killed your family and neighbors.
News & Media
But do we reallyneed Ofcom looking into a singular instance of "perhaps more breasts than some think necessary"?
News & Media
Figure 8 A singular ( κ, n ) -simplex.
For instance, we might commonly say "The team needs to get their equipment loaded on the bus," while it should be "its equipment" because team is a singular noun.[9].
Wiki
According to Maimonides, there are 11 kinds of prophecy ranging from a simple type of Divine inspiration called "Ruach haKodesh" (the Holy Spirit) to the singular instance of the "face-to-face" communication that Moses experienced.
News & Media
MD, a singular IgG4-RD, was considered part of pSS for a long time [ 9].
Survive as a singular dormant cell, 5B).
Science
With each of these stimuli, there is normally only a singular series of Ca2+ oscillations.
Science
The diffeomorphisms f in this example has been widely studied by Bereanu and Mawhin (see, for instance, [32, 33]) and is a type of singular ϕ-Laplacian known as the mean curvature operator of the Minkowski space.
Science
Expert writing Tips
Best practice
Use "a singular instance" to emphasize the uniqueness or rarity of an event or situation. This can add weight to your argument or description.
Common error
Avoid using "a singular instance" when a simpler term like "example" or "case" would suffice. Overusing it can make your writing sound unnecessarily formal or pretentious.
Source & Trust
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a singular instance" functions as a noun phrase, typically serving as the subject, object, or complement in a sentence. It denotes a specific occurrence or example that is unique or rare. Since Ludwig doesn't have examples, this analysis is based on the phrase's inherent structure.
Frequent in
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News & Media
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Formal & Business
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Less common in
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Ludwig's WRAP-UP
In summary, "a singular instance" is a grammatically correct phrase used to describe a unique or rare occurrence. While Ludwig confirms its grammatical correctness, the absence of examples suggests it may not be as frequently used as simpler alternatives like "a unique case" or "an isolated example". It tends to appear in more formal writing contexts to emphasize the exceptional nature of something. When choosing between "a singular instance" and its alternatives, consider the desired level of formality and the specific nuance you want to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a unique occurrence
Emphasizes the distinct and unrepeatable nature of the event.
an isolated case
Highlights the separation and lack of connection to other similar events.
an exceptional example
Focuses on the rarity and outstanding quality of the instance.
a one-time event
Stresses that the event happened only once and is not recurring.
an unprecedented situation
Indicates that there is no prior example or parallel to the current situation.
an uncommon incident
Highlights that the incident does not occur very often.
a rare phenomenon
Used to describe a natural or scientific occurrence that is not frequently observed.
a solitary occasion
Emphasizes that the occasion was the only one of its kind.
a standalone example
Suggests the example is complete and self-explanatory without needing other examples.
a discrete event
Highlights the event's clear boundaries and separateness from other events.
FAQs
How can I use "a singular instance" in a sentence?
You can use "a singular instance" to describe a unique or rare occurrence. For example: "This study presents a singular instance of a phenomenon previously unobserved."
What can I say instead of "a singular instance"?
Alternatives include "a unique occurrence", "an isolated case", or "an exceptional example", depending on the specific nuance you want to convey.
Which is correct, "a singular instance" or "a unique instance"?
Both phrases are grammatically correct, but "a unique instance" might be preferred for clarity and conciseness in many contexts. "A singular instance" often emphasizes rarity or special character.
What's the difference between "a singular instance" and "a particular instance"?
"A particular instance" refers to a specific example out of many, while "a singular instance" denotes a unique or rare occurrence that stands out from others. So the difference lies on emphasis, uniqueness or specificity.
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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
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested