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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
by what right
Grammar usage guide and real-world examplesUSAGE SUMMARY
"by what right" is correct and can be used in written English.
It is a phrase used to ask someone why they think they have the authority or permission to do something. For example, "By what right do you come into my house and take my things without asking?".
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(6)
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
46 human-written examples
By what right?
News & Media
But by what right could one judge these people?
News & Media
By what right do Enron bigwigs stonewall Congress?
News & Media
By what right can we dictate what kind of government other countries should have?
News & Media
By what right did I assume that my sense of reality was more real than theirs?
News & Media
By what right is Josiah McElheny, now showing at Andrea Rosen, a delightful artist?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
Obligation, which changes the behaviour of those obliged to give a rights-based service (for example, by spelling out what rights patients have to information about medical treatment).
News & Media
Obligation cases change the behaviour of those obliged to give a rights-based service (for example, by spelling out what rights patients have to information about medical treatment).
News & Media
As Amelio explained his decision to me, "I was driven not by what was right for Gil Amelio but by what was right for Apple.
News & Media
"There is nothing wrong with America that cannot be cured by what is right with America".
News & Media
Frank may also be a bit overly impressed by what the right has achieved.
News & Media
Expert writing Tips
Best practice
Use "by what right" to challenge actions or decisions that seem unjustified or to question the authority behind them. This phrase is effective in both formal and informal contexts, adding a layer of critical inquiry.
Common error
Avoid using "by what right" when simply seeking clarification or understanding. This phrase implies a challenge to authority, so ensure that's your intent. If you're merely curious, a less confrontational phrasing is more appropriate.
Source & Trust
90%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by what right" functions as an interrogative phrase, specifically used to challenge or question the authority, justification, or legitimacy of an action, decision, or claim. As Ludwig AI highlights, it directly confronts the basis upon which something is being done or asserted.
Frequent in
News & Media
40%
Science
30%
Encyclopedias
10%
Less common in
Wiki
5%
Formal & Business
5%
Social Media
5%
Ludwig's WRAP-UP
In summary, "by what right" is a grammatically sound and frequently used interrogative phrase employed to challenge the authority or justification behind an action or statement. As Ludwig AI confirms, its usage is correct and appropriate for expressing skepticism or demanding accountability. Predominantly found in News & Media, Science, and Encyclopedia sources, the phrase maintains a neutral register while serving a distinctly critical and inquisitive purpose. When employing this phrase, it's important to ensure that the context warrants a direct challenge to authority rather than a simple request for clarification. Alternatives like "on what authority" or "what gives you the right" can be used to express similar sentiments with slight variations in emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on what authority
Focuses specifically on the source of authorization or permission.
what gives you the right
More direct and assertive, often used in confrontational situations.
under what justification
Emphasizes the reasons or arguments used to defend an action.
by what justification
A more formal and explicit variant asking for the justification.
with what permission
Highlights the lack of consent or approval.
where do you get off
An informal and often rude way of questioning someone's audacity.
how dare you
Expresses outrage and challenges the appropriateness of someone's actions.
what is your basis for
Requests the fundamental reason or principle behind an action or belief.
what empowers you to
Focuses on the source of power or enablement for a specific action.
who authorized you to
Specifically asks about the person or entity that granted permission.
FAQs
How can I use "by what right" in a sentence?
Use "by what right" to challenge the justification or authority behind an action or decision. For example, "By what right do you enter my private office without knocking?"
What are some alternatives to "by what right"?
Depending on the context, you could use alternatives such as "on what authority", "what gives you the right", or "under what justification".
Is "by what right" formal or informal?
"By what right" can be used in both formal and informal contexts, but it generally carries a tone of challenge or questioning of authority, making it more suited for situations where you want to express disagreement or demand justification.
What's the difference between "by what right" and "what is the justification"?
"By what right" directly challenges the legitimacy or authority behind an action, whereas "what is the justification" is a more neutral request for the reasons or rationale behind it. The former implies skepticism or disapproval.
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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
90%
Authority and reliability
4.6/5
Expert rating
Real-world application tested