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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
On what grounds
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "On what grounds" is correct and usable in written English.
It is typically used to inquire about the basis or justification for a statement, action, or decision. Example: "On what grounds do you believe that this policy will be effective?"
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(4)
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
59 human-written examples
On what grounds does one decide that objects deserve to be considered in moral deliberation?
Encyclopedias
On what grounds?
News & Media
"On what grounds?" he asked.
News & Media
On what grounds are they being fought?
News & Media
On what grounds, I wonder?
News & Media
On what grounds do I ascribe them?
News & Media
On what grounds should he be defended?
News & Media
"On what grounds do they want to issue it?
News & Media
On what grounds do the three writers agree or disagree?
News & Media
On what grounds has Amy Winehouse secured a nomination?
News & Media
On what grounds is a new world to be constructed or joy sustained?
News & Media
Expert writing Tips
Best practice
When using "on what grounds", ensure the context is clear and the question directly relates to the justification or basis being questioned. It's often used in situations where you suspect the reasoning might be weak or contestable.
Common error
Avoid using "on what grounds" when you simply need a description of something, rather than a justification. For example, instead of "On what grounds is this building used?", ask "What is this building used for?"
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on what grounds" functions as an interrogative prepositional phrase, primarily used to solicit an explanation or justification for a claim, action, or decision. As shown in the Ludwig examples, it directly challenges the reasoning behind a statement.
Frequent in
News & Media
43%
Science
33%
Encyclopedias
9%
Less common in
Formal & Business
6%
Reference
5%
Unknown/unmatched sources
1%
Ludwig's WRAP-UP
In summary, "on what grounds" is a versatile phrase used to question the justification or basis of a statement or action. Ludwig AI confirms its grammatical correctness and widespread usage. The phrase is most commonly found in News & Media and Science contexts, often prompting further explanation or defense. When using this phrase, ensure the context requires a justification rather than a simple description. Consider alternatives like "what's the reason" for less formal settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
What's the justification
Focuses directly on the justification behind a decision or action.
What is the rationale
Emphasizes the reasoning or logic used to arrive at a conclusion or decision.
Upon what basis
A more formal alternative, questioning the foundation or support for a claim.
By what authority
Questions the right or power used to perform an action.
What's the reason for
A direct way to ask about the cause or motive.
What are the reasons
Plural form emphasizing multiple reasons or factors.
How do you justify
Challenges someone to defend their position or action.
Where does it come from
Inquires about the origin or source of an idea or belief.
What evidence supports
Specifically asks for proof or data backing up a statement.
Why is that the case
Seeks an explanation for a particular situation or outcome.
FAQs
How can I use "on what grounds" in a sentence?
Use "on what grounds" to ask for the justification or basis for a statement, action, or belief. For example: "On what grounds was the decision made?"
What's a less formal way to ask "on what grounds"?
Less formal alternatives include "what's the reason" or "why is that?". The choice depends on the context and your audience.
Is "on what ground" grammatically correct, or should it always be "on what grounds"?
"On what grounds" is the standard and grammatically correct form. While "ground" can be used in other contexts, "grounds" is used when referring to reasons or justification.
What's the difference between "on what grounds" and "on what basis"?
Both phrases are very similar and often interchangeable. "On what basis" might imply a slightly more structured or formal foundation, but the difference is subtle.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested