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
principally discussed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "principally discussed" is correct and usable in written English.
It can be used when referring to the main topics or subjects that are the focus of a discussion or conversation. Example: "The report outlines the issues that were principally discussed during the conference."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
4 human-written examples
The entire adaptation concept is derived and principally discussed.
Science
Here, we summarize the aspects of EPC cells principally discussed by scientific community (see Figure 3).
This article aims to provide researchers, policy makers, and decision makers with a basic understanding of global health ethics and of some norms principally discussed within the subject area.
Science
In previous ISCHS symposia, the anatomical and histological features of hepatic sinusoidal cells and their involvement in the fibrotic reaction, local inflammation and immunity, and sinusoidal microcirculation have been principally discussed.
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Downing Street said the group will principally discuss the themes and objectives of the forthcoming counter-extremism strategy, including mobilising a national coalition to challenge and speak out against extremism in all its forms.
News & Media
The Syntagma is more systematic than the Animadversiones, largely eschewing the sometimes philological character of the earlier commentary and principally discussing logic, the natural sciences, psychology, and ethics from the perspective of what Gassendi deems philosophically, historically, and theologically supportable.
Science
Although the software is capable to provide a graphical and numerical view of the raw, filtered, and decoded data, in this article, we principally discuss the signal or data processing techniques instead of the view and the interface.
After that, but before the third paper was published, Penrose and Gurzadyan had posted their riposte; it is clear that the subtleties of the argument are still being discussed, principally through the medium of the Arxiv site.
News & Media
EMT drives local invasion principally via the mechanisms discussed above and several key transcription factors governing EMT have been demonstrated in metastatic disease.
Although the concepts of path dependency, switching costs, and lock-in have been employed principally in studies discussing technology standards, these ideas may be usefully extended to consumer branded products, including foods and beverages.
Science
As discussed, diseases transmitted principally by direct human-to-human contact (e.g., measles, varicella) are less likely to be affected by ecologic change.
Expert writing Tips
Best practice
Consider stronger verbs like "analyzed" or "debated" if the context involves a deeper level of engagement than a simple discussion.
Common error
Avoid using "principally discussed" if the topic was only briefly mentioned or if other topics received significantly more attention. Ensure it aligns with the actual emphasis of the discourse.
Source & Trust
85%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "principally discussed" functions as a verb phrase indicating the main focus of a conversation, analysis, or discourse. It highlights what was primarily addressed, as confirmed by Ludwig.
Frequent in
Science
50%
News & Media
25%
Encyclopedias
25%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "principally discussed" is a grammatically correct verb phrase that indicates the main topics of a conversation or analysis. While Ludwig confirms its validity, it's important to use it accurately to reflect the true emphasis of the discourse. As Ludwig's examples show, the phrase appears most frequently in scientific and news-related contexts. Alternatives like "mainly addressed" or "primarily covered" offer similar meanings, but choosing the most appropriate term depends on the specific nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mainly addressed
Focuses on the primary topics covered, altering the verb choice for a slightly different emphasis.
primarily covered
Indicates the chief subjects explored, differing in verb and adverb.
chiefly examined
Emphasizes the examination aspect, using different synonyms for 'principal' and 'discuss'.
largely debated
Highlights the debate aspect of the discussion, changing both the adverb and verb.
primarily analyzed
Shifts the focus to analysis, using a different verb with a similar meaning.
predominantly considered
Emphasizes the act of considering something, changing both adverb and verb.
centrally focused on
Highlights the central focus of the discussion, employing a different structural approach.
primarily talked about
Uses a more informal verb, "talked", instead of "discussed", maintaining a similar meaning.
mainly gone over
Employs a phrasal verb, "gone over", to replace "discussed", resulting in a less formal tone.
substantially handled
Indicates the substantial handling of a subject, offering a different perspective on the discussion.
FAQs
What does "principally discussed" mean?
The phrase "principally discussed" means that something was the main or primary topic of conversation or analysis. It indicates the key subjects that were covered in detail.
How can I use "principally discussed" in a sentence?
You can use "principally discussed" to indicate the main topics of a conversation, meeting, or document. For example: "The report outlines the issues that were "mainly addressed" during the conference."
What are some alternatives to "principally discussed"?
Some alternatives to "principally discussed" include "primarily covered", "chiefly examined", or "largely debated", depending on the specific nuance you want to convey.
Is it correct to say "primarily discussed" instead of "principally discussed"?
Yes, "primarily discussed" is a correct and very similar alternative to "principally discussed". Both phrases indicate that something was a main focus, but "primarily" may suggest a slightly stronger emphasis than "principally".
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
85%
Authority and reliability
4.3/5
Expert rating
Real-world application tested