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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
firmly maintained that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "firmly maintained that" is correct and usable in written English.
It can be used when expressing a strong belief or assertion about a particular statement or idea. Example: "The scientist firmly maintained that climate change is primarily caused by human activity."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
Alternative expressions(13)
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
1 human-written examples
But she also firmly maintained that STAP cells, the new type of stem cells she claims to have developed, exist, and said she will not retract the two Nature papers reporting her finding.
Science & Research
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
She firmly maintains that "everybody has a bit of Peter Pan" in them, and even older students can't help but smile when she draws cartoon characters in their books or awards them smiley-face stickers for good work.
News & Media
Despite this clear occasionalist stance toward physical objects, Berkeley firmly maintains that spirits, both infinite and finite, are causally active.
Science
For his part, Friendly firmly maintains that he is willing to sacrifice whatever extra mobility he might obtain by using sixteen-millimetre equipment for the sake of the high technical quality of the film he gets by working with thirty-five-millimetre cameras and what he considers proper lighting.
News & Media
But Greaves firmly maintains that getting an abortion can count as exercising one's religious beliefs under the central tenets of Satanism.
News & Media
Democrats continue to push for revenue increases as Republicans firmly maintain that tax increases will not be part of any deal.
News & Media
Of the practice of grouping all the violins together on the left, he wrote, "The new seating is, I admit, easier for the conductor and the second violins, but I firmly maintain that the second violins themselves sound far better on the right..
Wiki
Nevertheless, Dunglass firmly maintained all his life that the Munich agreement had been vital to the survival of Britain and the defeat of Nazi Germany by giving the UK an extra year to prepare for a war that it could not have contested in 1938.
Wiki
These were firmly maintained even in texts, such as the Phaselis decree, that accord specific limited legal privileges.
Encyclopedias
"He firmly maintained his position".
News & Media
The Premier again firmly maintained the impossibility of putting the 5s.
News & Media
Expert writing Tips
Best practice
Use "firmly maintained that" to convey a sense of conviction and persistence in a belief or statement, particularly when countering opposing viewpoints or skepticism.
Common error
Avoid pairing "firmly maintained that" with redundant intensifiers like "very" or "absolutely". The word "firmly" already conveys strength and conviction; adding more can make the writing sound repetitive or hyperbolic.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "firmly maintained that" functions as a verb phrase used to introduce a statement or claim that is being asserted with conviction. As Ludwig AI confirms, it indicates a strong belief or position. Examples from Ludwig show its use in academic, news, and general contexts.
Frequent in
News & Media
35%
Science
30%
Encyclopedias
15%
Less common in
Wiki
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "firmly maintained that" is a grammatically sound and frequently used expression to indicate a strong and persistent belief or assertion. As Ludwig AI confirms, the phrase is appropriate for use in written English. Analysis of example sentences from Ludwig reveals its presence in news, scientific, encyclopedic, and general writing contexts. While alternative phrases exist, such as "staunchly maintained that" or "strongly asserted that", "firmly maintained that" effectively conveys conviction. When using this phrase, avoid redundant intensifiers and ensure that it aligns with the overall tone and purpose of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
staunchly maintained that
Replaces "firmly" with "staunchly", indicating a more resolute and unwavering stance.
strongly asserted that
Uses "asserted" instead of "maintained", suggesting a more forceful declaration.
emphatically declared that
Emphasizes the declaration with "emphatically", indicating a clear and forceful statement.
vehemently insisted that
Replaces "maintained" with "insisted" and adds "vehemently" to show intense conviction.
resolutely affirmed that
Uses "affirmed" instead of "maintained", implying a formal and determined confirmation.
steadfastly held that
Indicates a persistent and unwavering belief.
forcefully argued that
Uses "argued" to suggest a reasoned and persuasive presentation of a viewpoint.
consistently asserted that
Highlights the repetitive nature of the assertion.
adamantly professed that
Uses "professed" and "adamantly" to highlight unwavering conviction.
unequivocally stated that
Emphasizes the lack of ambiguity in the statement.
FAQs
What does "firmly maintained that" mean?
The phrase "firmly maintained that" means to assert or uphold a belief or statement with strong conviction and persistence. It suggests a resolute stance, often in the face of opposition or doubt.
How can I use "firmly maintained that" in a sentence?
You can use "firmly maintained that" when you want to express that someone strongly believes in something and continues to assert it, even if others disagree. For example: "The scientist "firmly maintained that" her research was valid despite criticisms."
What are some alternatives to "firmly maintained that"?
Alternatives include "strongly asserted that", "staunchly maintained that", or "emphatically declared that". The choice depends on the specific nuance you want to convey.
Is it better to say "firmly maintained that" or "strongly believed that"?
"Firmly maintained that" suggests an active and persistent assertion, while "strongly believed that" simply indicates a deep-seated belief. The best choice depends on whether you want to emphasize the act of asserting the belief or the intensity of the belief itself.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested