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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
or moreover
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "or moreover" is not correct in standard written English.
It is redundant because "moreover" already serves to add information, making "or" unnecessary. Example: "You can choose to study biology; moreover, it offers many career opportunities."
⚠ May contain grammatical issues
Science
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
12 human-written examples
I have to wonder whether punishing a kid like Dharun Ravi after the fact is just; or, moreover, whether it will do anybody any good.
News & Media
Chestertonian mannerisms — beginning sentences with "I wish to conclude" or "I should say, therefore" or "Moreover," using the first person plural un-self-consciously ("What we have to ask ourselves... .), making sure that every sentence was crafted like a sword and loaded like a cannon — appeared to have come from some other universe.
News & Media
Chestertonian mannerisms — beginning sentences with "I wish to conclude" or "I should say, therefore" or "Moreover," using the first person plural un-self-consciously ("What we have to ask ourselves... .....), making sure that every sentence was crafted like a sword and loaded like a cannon — appeared to have come from some other universe.
News & Media
By on it is easy to see that exist (finite or ), moreover, one of them must be finite.
Science
(Additionally, Furthermore, or Moreover), ITO is an expensive material, and it is unstable in chemical solution and cannot be utilized in a hydrogen-containing environment.
Science
The question we would like to answer is, if NP can clearly be premonitory symptom or, moreover, is NP part of the migraine attack?
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
Lev Bar-Or moreover, constructed a mathematical model for the DNA damage signal transduction system (Supporting information Figure S4), and verified a relationship of p53 dynamic behavior to intensity of DNA damage [7].
Science
To catch the disease from a chicken or duck, moreover, a human being must come into contact with the excretions or secretions of an infected bird.
News & Media
The BBC site is extremely good and I tend to use JournalismNet or sometimes MoreOver for news.
News & Media
"Each country or region, moreover, can seek solutions better suited to its culture and sensitive to its traditions and local needs," he wrote.
News & Media
People already in prison or jail, moreover, he said, are "unlikely to be lured into speaking by a longing for prompt release".
News & Media
Expert writing Tips
Best practice
Avoid using "or moreover" in formal writing. Choose either "or" or "moreover" based on the intended meaning. If you intend to present alternatives, use only "or". If you intend to add information, use only "moreover".
Common error
Do not combine "or" with "moreover". This creates redundancy because "moreover" already functions as an additive conjunction. Using both together makes the sentence unnecessarily wordy and grammatically awkward.
Source & Trust
88%
Authority and reliability
2.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "or moreover" attempts to function as a conjunction, aiming to both present an alternative and add additional information. However, this combination is grammatically flawed, as highlighted by Ludwig. "Or" and "moreover" serve distinct functions that cannot be combined in this way.
Frequent in
Science
42%
News & Media
42%
Formal & Business
16%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, Ludwig flags the phrase "or moreover" as grammatically incorrect. While some examples exist across different source types, the phrase creates redundancy. "Or" is used to present alternatives, while "moreover" is used to add information. Using them together is awkward and unnecessary. For clarity and precision, choose either "or" or "moreover" depending on the intended meaning or use alternatives. Prioritize clear and concise communication over grammatically questionable constructions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
or furthermore
Changes "moreover" to "furthermore", a synonym that also adds information but can be more formal.
or additionally
Replaces "moreover" with "additionally", offering a slightly less formal way to add information.
or also
Substitutes "moreover" with "also", providing a simpler way to include an additional point.
or in addition
Uses "in addition" instead of "moreover", making the connection more explicit.
or besides
Replaces "moreover" with "besides", suggesting an additional reason or point.
or too
Employs "too" as a concise way to add an idea, suitable for informal contexts.
or for that matter
Introduces a related but slightly different perspective or consideration.
or what's more
Offers a more emphatic way to add information, indicating something even more important.
or on top of that
Suggests adding something extra to what has already been mentioned.
or to boot
Uses a less common and more colloquial way to add something unexpected or extra.
FAQs
Why is "or moreover" considered grammatically incorrect?
The phrase "or moreover" is redundant. "Or" indicates a choice between alternatives, while "moreover" introduces additional information. Using both together creates a nonsensical construction. Consider using "or furthermore" or "or additionally" instead.
What can I use instead of "or moreover" to add information?
If you intend to add information, use "moreover" on its own. Alternatives to "moreover" include "furthermore", "additionally", and "in addition".
Is "or moreover" ever appropriate in writing?
While you might find it in some informal contexts, "or moreover" is generally discouraged in formal writing. It is considered grammatically awkward and adds unnecessary words. Opt for clearer and more concise alternatives.
How does "or moreover" differ from simply using "or"?
"Or" presents a choice between two or more options. "Moreover", on the other hand, introduces a new piece of information that supports or expands on a previous statement. "Or moreover" attempts to combine these functions illogically. If you want to provide a choice you can use only the word "or", if you want to add information use only the word "moreover".
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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
88%
Authority and reliability
2.1/5
Expert rating
Real-world application tested