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
preceding letter
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "preceding letter" is correct and usable in written English.
It can be used to refer to a letter that comes before another letter in a sequence or context, such as in a document or correspondence. Example: "Please refer to the preceding letter for details regarding the meeting schedule."
✓ Grammatically correct
Science
Academia
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
9 human-written examples
In the preceding letter, we detailed the discovery of clinical candidate PF-04693627, a potent mPGES-1 inhibitor possessing a novel benzoxazole structure.
Leibniz had mentioned both of these points in his immediately preceding letter (LA, 64 66, 58).
Science
These are not published in the version given in O. R., 46, part 1, p619, though Grant's polite conclusion to the preceding letter is printed. 2 Colonel Marshall, in his Appomattox, 7, said there was some difference of opinion among officers as to what the answer should be.
Academia
NOTE: The preceding letter was written at the request of my daughter's teacher, whose name has been changed for anonymity, so that she could have something in hand when taking my concerns, with which she agrees, to her superiors.
News & Media
Punctuation is more frequent, usually on a level with the top of the preceding letter, while a vacant space, proportionate to the break in the sense, follows the end of a paragraph.
Wiki
For the 1-back condition [low working memory (WM) load], they were instructed to press a response button, whenever a letter presented on a screen was identical to the preceding letter.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
As later letters appeared, preceding letters faded and disappeared.
Science
Sometimes I could have used, in the notes preceding each letter, some additional bit of information about the recipient or the circumstances of writing.
News & Media
Dive numbers preceded by letter "A" are HOV Alvin dives.
Science
In the 'Predicted substitution' column, the letter preceding the amino acid position refers to the reference HPV16 sequence and the letter after it refer to the substitution.
Science
At the beginning of the call, Musk said he was going to "try to answer as many questions as possible" and "we're going to go as long as there are good questions to answer". In a letter preceding the call, Tesla had said it expected to generate cash and profit in the third and fourth quarters if it executes its plans to increase output.
News & Media
Expert writing Tips
Best practice
When referring to a "preceding letter" in formal correspondence, ensure that the context clearly establishes which letter is being referenced to avoid ambiguity. Provide a date or specific detail if necessary.
Common error
Avoid assuming the reader knows exactly which "preceding letter" you're referring to. Always provide enough context or a specific identifier to eliminate any potential confusion, especially if multiple letters have been exchanged.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "preceding letter" functions as a noun phrase, typically used as an adjective modifying another noun to specify a particular letter in a sequence. As Ludwig AI confirms, this usage is correct.
Frequent in
Science
40%
Academia
22%
News & Media
20%
Less common in
Wiki
10%
Encyclopedias
4%
Formal & Business
4%
Ludwig's WRAP-UP
In summary, the phrase "preceding letter" is grammatically correct and functions as a noun phrase to refer to a letter that comes before the current one in a sequence. As Ludwig AI confirms, its usage is accurate and acceptable in written English. While alternatives like "previous letter" or "earlier letter" exist, "preceding letter" is commonly used in scientific, academic, and professional contexts. To ensure clarity, always provide sufficient context when using this phrase. Although not extremely frequent, it serves an important role in referencing prior correspondence. The predominant source types include science, academia, and news media.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
previous letter
Replaces "preceding" with "previous", a common synonym indicating the letter before the current one.
earlier letter
Substitutes "preceding" with "earlier", emphasizing that the letter occurred at an earlier time.
prior letter
Uses "prior" instead of "preceding", suggesting the letter came before in order or importance.
aforementioned letter
Replaces "preceding" with "aforementioned", implying the letter was already mentioned.
letter mentioned earlier
Rephrases to specify that the letter was discussed at a previous point.
letter above
Indicates the letter appeared before the current reference in a document or text.
letter before this
Specifies that the letter immediately precedes the current one.
foregoing letter
Uses "foregoing" as a formal synonym for "preceding".
antecedent letter
Employs "antecedent" to denote the letter that logically precedes the current one.
letter in the past
A more general way to refer to a letter that was sent or written at an earlier time.
FAQs
What does "preceding letter" mean?
The phrase "preceding letter" refers to a letter that comes immediately before the current one being discussed or referenced in a sequence or document.
How can I use "preceding letter" in a sentence?
You might say, "As mentioned in the "previous letter", we have updated our policy on returns" or "Please refer to the "earlier letter" for clarification on this matter".
What are some alternatives to "preceding letter"?
Some alternatives include ""previous letter"", ""earlier letter"", or "prior letter", depending on the specific context.
Is it better to say "preceding letter" or "previous letter"?
Both "preceding letter" and ""previous letter"" are grammatically correct and widely understood. The choice between them often depends on personal preference and the specific tone you wish to convey. "Preceding" may sound slightly more formal.
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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested