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
hereby declare that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "hereby declare that" is correct and usable in written English.
It is typically used in formal declarations or legal documents to announce or affirm something officially. Example: "I hereby declare that I am the rightful owner of the property."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
now certify that
I recognize that
it has been brought to my attention
as far as I know
I realize that
hereby confirmed that
I avow that
I certify
you can be sure that
I grant that
hereby certified that
please be sure that
It is not news to me
i believe that
my impression is that
please rest assured that
I certify that
I emphasise that
hereby declares that
it is guaranteed that
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
60 human-written examples
"We hereby declare that we want an Islamic government, an Islamic rule that the people choose".
News & Media
"I hereby declare that the prime minister knew about the existence of the apparatus and the system," he said.
News & Media
And I hereby declare that "harassing the Muslim community in Britain" would be neither moral nor efficacious.
News & Media
"I do hereby declare that I am a whole and complete human being," she wrote on a official-looking form.
News & Media
We hereby declare that we have no conflict of interest.
Science
Authors hereby declare that there are no competing interests.
I hereby declare that all the authors have confirmed that they do not have competing interests.
Science
We solemnly hereby declare that this present work submitted to International Journal of Food.
The authors hereby declare that, this manuscript is not published or considered for publication elsewhere.
We hereby declare that none of the authors has any competing financial interests.
Science
We hereby declare that this work was totally funded by the corresponding authors.
Expert writing Tips
Best practice
Use "hereby declare that" in formal documents, legal statements, or official announcements where a clear and unambiguous declaration is needed.
Common error
Avoid using "hereby declare that" in casual conversations or informal writing. It can sound overly formal and pretentious in everyday settings.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hereby declare that" functions as a performative utterance, meaning that the act of saying it performs the action described. As Ludwig AI confirms, it's used for formal declarations or legal documents, primarily to officially announce or affirm something.
Frequent in
Science
38%
News & Media
31%
Formal & Business
31%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "hereby declare that" is a formal declaration used predominantly in scientific, news, and formal business contexts. Ludwig AI confirms its grammatical correctness and typical usage in legal and official settings. While appropriate for such scenarios, its overuse in informal contexts should be avoided. Related phrases like "I hereby state that" or "I officially announce that" can offer slightly different nuances while maintaining formality. Remember to use this phrase judiciously to maintain the appropriate tone and register in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I hereby state that
Replaces "declare" with "state", providing a slightly less formal tone while maintaining the official nature of the announcement.
I officially announce that
Substitutes "hereby declare" with "officially announce", emphasizing the official nature of the declaration.
I affirm that
Replaces the entire phrase with a concise and formal affirmation.
Let it be known that
Offers a more traditional, slightly archaic way of making a formal declaration.
I wish to declare that
Introduces a personal desire to make the declaration, softening the tone slightly.
I pronounce that
Implies a formal and authoritative declaration, often used in ceremonial contexts.
I avow that
Replaces the phrase with a strong and solemn declaration, emphasizing sincerity.
I certify that
Indicates a formal certification or verification of a fact or statement.
I confirm that
Emphasizes the act of confirming something, rather than a general declaration.
It is my declaration that
Shifts the emphasis to the declaration itself, rather than the act of declaring.
FAQs
How to use "hereby declare that" in a sentence?
Use "hereby declare that" to introduce a formal statement or announcement. For example, "I hereby declare that I will uphold the terms of this agreement."
What can I say instead of "hereby declare that"?
You can use alternatives like "I hereby state that", "I officially announce that", or "I affirm that" depending on the context.
When is it appropriate to use "hereby declare that"?
It is appropriate to use "hereby declare that" in formal settings such as legal documents, official statements, or when making a solemn vow. Avoid using it in informal conversations.
What is the difference between "hereby declare that" and "hereby state that"?
"Hereby declare that" is generally used for making a more formal or significant announcement, while "hereby state that" is a slightly less formal way of expressing information or facts.
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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
4.5/5
Expert rating
Real-world application tested