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
referred to previously
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "referred to previously" is correct and usable in written English.
It can be used when you want to reference something that has already been mentioned earlier in the text. Example: "The study's findings, referred to previously, indicate a significant correlation between the variables."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
referred to above
discussed earlier
as previously indicated
already stated
identified above
aforementioned
previously mentioned
referred to supra
noted above
alluded to above
mentioned above
previously indicated
cited above
alluded to previously
previously stated
as previously stated
mentioned earlier
as noted earlier
in the preceding text
as noted before
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
17 human-written examples
As referred to previously, an inspection on the pronunciation process of human beings, both the excitation source and the vocal tract, is coupled to generate a natural and fluent speech.
This is the slo-mo "blow off" I referred to previously.
News & Media
In light of the complexity of combinations of modified histones that decorate the genome, it is unlikely that these genes are "monovalent" as referred to previously [18] because monovalency would imply that they are not enriched in any other histone mark.
Science
The reader is referred to previously published papers on the subject[ 8 14].
Science
It was referred to previously as estExt_Genemark1.C_40616 in P. angusta and as YOR020W-A in S. cerevisiae.
Science
A breathy voice (common in UVFP) is reported to be associated with the same configuration referred to previously [ 16].
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
"These guys are now three for three as supplier to the biggest proliferation problems we have," the official added, referring to previously disclosed Pakistani aid to the nuclear programs of North Korea and Iran.
News & Media
The empirical findings refer to previously developed systems that have been tested on various STEM subject matters (as opposed to the content of ElectronixTutor).
Reporting of all parameters used when referring to previously developed relationships, or in the development of new relationships, may increase the accuracy and repeatability of future FE models.
26 October 2012: Mrs Broadwell delivers a speech at the University of Denver in which she refers to previously unreported information about a deadly attack a month earlier on the US consulate in Benghazi.
News & Media
There will be no separate publication," he said, referring to previously secret agreements between banking regulators and banks.
News & Media
Expert writing Tips
Best practice
When using "referred to previously", ensure the reader can easily locate the initial mention to avoid confusion.
Common error
Avoid using "referred to previously" if the initial mention is vague or ambiguous. Clarify the specific item or concept being referenced to ensure the reader understands the connection.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "referred to previously" functions as an adverbial phrase, modifying a verb or clause by indicating that something has been mentioned earlier in the text. Ludwig AI confirms its correct and frequent usage in various contexts.
Frequent in
Science
53%
News & Media
26%
Formal & Business
11%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "referred to previously" is a grammatically sound and commonly used adverbial phrase. According to Ludwig AI, it serves to link back to information already presented, enhancing cohesion in writing. While versatile, it appears most frequently in scientific and news contexts. For less formal settings, alternatives such as "previously mentioned" may be more appropriate. Remember to ensure that the initial reference is clear to avoid any ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
previously mentioned
A more direct and concise way of saying something was discussed before.
as noted earlier
Emphasizes the act of noting or observing something beforehand.
already stated
Highlights that something has been explicitly expressed before.
previously indicated
Similar to mentioned, but suggests a hint or sign was given earlier.
as discussed above
Specifically points to a discussion that took place earlier in the text.
earlier reference
A noun phrase that highlights an instance of referring to something beforehand.
above mentioned
A more concise option that can sound slightly formal.
in a previous section
Highlights the location in the text where it was mentioned.
aforementioned
A formal and somewhat archaic way of referring to something previously mentioned.
as previously stated
Emphasizes that a clear statement was already made.
FAQs
What are some alternatives to "referred to previously"?
You can use alternatives like "previously mentioned", "as noted earlier", or "already stated" depending on the context.
How can I use "referred to previously" in a sentence?
Use "referred to previously" to connect a current statement to something already mentioned. For example: "The study's methodology, "referred to previously", was based on established research protocols."
Is it better to say "referred to previously" or "previously mentioned"?
Both ""referred to previously"" and "previously mentioned" are correct. "Previously mentioned" is more concise and often preferred in modern writing, but "referred to previously" can add a slightly more formal tone.
When should I use "referred to previously" instead of repeating the information?
Use ""referred to previously"" when repeating the information would be redundant or disrupt the flow of your writing. This is especially useful if the original information is detailed or complex.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested