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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
principal grounds
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "principal grounds" is correct and usable in written English.
It can be used to refer to the main reasons or bases for a particular argument or decision. Example: "The principal grounds for the committee's decision were based on financial considerations and community feedback."
✓ Grammatically correct
News & Media
Science
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
3 human-written examples
Adultery is one of three principal grounds for divorce in New York State, along with abandonment for a period of more than a year (or abandonment in the form of refusal to have sexual relations) and cruel and inhuman treatment, which includes both mental and physical cruelty.
News & Media
Acidification and CO2release resulting from fermentative metabolism of lactic acid bacteria and yeasts were the principal grounds for rejection of ham pizza stored under 20% CO2(commercial conditions).
Science
However, the principal grounds for this hope are the DECREASE trials.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The German Air Force, or Luftwaffe, was configured primarily to fly in support of ground forces, and, in the Spanish Civil War and the first years of World War II, the Ju-87 Stuka dive-bomber was its principal ground-attack craft.
Encyclopedias
I have listened to all the military advice, and the military advice is pretty clear that when we have to make difficult decisions, it is right to keep the Typhoon as our principal ground attack aircraft, working in Afghanistan at the moment, and it is right to retire the Harrier".
News & Media
The principal ground-motion parameters formulated were peak ground acceleration (PGA), peak ground velocity (PGV) and peak ground displacement (PGD).
The principal ground for weak conventionalism is scepticism about the ability of science to uncover the natural principles of classification.
Science
Indeed, this appears to be the principal ground upon which he wants to maintain that explanations, predictions, and postdictions share the same logical form.
Science
In September 2001 she returned to CBS to become their principal "Ground Zero" reporter on the September 11 , 2001 terrorist attacks.
News & Media
The addition of the Clifton Maybank corridor, built in the 18th century from stone obtained from another house then undergoing alteration, allowed the principal ground- and first-floor rooms to have some privacy from the servants' areas and linked the two staircases.
Wiki
Fewer than 340 are thought to remain in two principal feeding grounds off central California and Mexico's Baja Peninsula.
News & Media
Expert writing Tips
Best practice
When using "principal grounds", ensure that you are referring to the most significant reasons or justifications, not secondary or minor ones.
Common error
Avoid confusing "principal grounds" with "principle grounds". "Principal" refers to the most important or main aspect, while "principle" refers to a fundamental truth or proposition.
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "principal grounds" functions as a noun phrase, typically acting as the subject complement or object of a preposition. It identifies the fundamental or most important reasons or justifications behind a decision, action, or belief. As Ludwig AI suggests, it's grammatically correct.
Frequent in
News & Media
33%
Science
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "principal grounds" is a grammatically correct noun phrase used to denote the main reasons or justifications for something. As confirmed by Ludwig AI, it is suitable for formal contexts, including news, science, and encyclopedic writing. While not highly frequent, the phrase effectively communicates the core basis of a decision or argument. Related phrases, such as "primary reasons" or "main justifications", can provide alternative ways to express similar concepts. Remember to use "principal" correctly, avoiding confusion with "principle". By focusing on the most significant reasons, writers can use "principal grounds" to ensure clarity and precision in their explanations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
primary reasons
Replaces "grounds" with "reasons", focusing on the justifications.
main justifications
Substitutes "principal" with "main" and "grounds" with "justifications", emphasizing the reasons.
key considerations
Replaces the whole phrase to highlight main points to consider.
chief reasons
Uses "chief" to describe the most important reasons.
primary basis
Focuses on the fundamental base or support for an argument or decision.
fundamental reasons
Emphasizes the basic and essential causes.
core arguments
Highlights the central points of reasoning or debate.
central tenets
Focuses on fundamental beliefs or principles.
driving forces
Replaces the phrase to focus on the forces that make it happen.
underlying principles
Stresses the foundational rules or beliefs that support a system or argument.
FAQs
What does "principal grounds" mean?
The phrase "principal grounds" refers to the main or most important reasons or justifications for something.
What can I say instead of "principal grounds"?
You can use alternatives like "primary reasons", "main justifications", or "key considerations" depending on the context.
How do I use "principal grounds" in a sentence?
For instance, you might say "The "committee's decision" was made on the "principal grounds" of financial feasibility".
Is it correct to use "principle grounds" instead of "principal grounds"?
No, "principle grounds" is incorrect. The correct phrase is "principal grounds", where "principal" means main or most important.
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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
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested