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
firmly believing that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "firmly believing that" is correct and usable in written English.
You can use it when expressing a strong conviction or certainty about a particular idea or statement. Example: "I am firmly believing that our team will succeed in this project despite the challenges we face."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(3)
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
17 human-written examples
In the meantime, ADA will conduct its business of supporting clinical and basic support of research designed to conquer diabetes to the best of its ability, all the while firmly believing that failure is not an option.
Science
Unfortunately, Eichmann remained unrepentant, firmly believing that what he did was ethically correct for him".
News & Media
Firmly believing that dough is the foundation for exceptional pies, he has gone to great lengths to perfect his formula.
News & Media
She carried big brown bags to her car, firmly believing that this weekend she would find time to cook.
News & Media
If I began this week firmly believing that Herman Cain would make a great president, should I end the week thinking the man is simply not fit?
News & Media
With Pardew firmly believing that the Eagles can secure a top-half finish - and who knows, maybe even European qualification - fans at Selhurst Park are looking forward to the 2015/16 campaign and the drama that it has in store.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
I firmly believe that women invented agriculture.
News & Media
"We firmly believe that initiative will limit choice".
News & Media
"I firmly believe that transfusions save lives," Hébert said.
News & Media
We firmly believe that competition will bring clarity, not confusion.
News & Media
And everybody associated with Dia firmly believed that was important.
News & Media
Expert writing Tips
Best practice
Use "firmly believing that" to convey a strong and confident stance on a particular viewpoint, especially when you want to emphasize your conviction to the audience.
Common error
Avoid starting multiple consecutive sentences with "firmly believing that". Vary your sentence structure by occasionally using synonyms like "I am strongly convinced that" or rephrasing to maintain reader engagement.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "firmly believing that" functions as an introductory phrase that signals the speaker's or writer's strong conviction or certainty about the statement that follows. Ludwig's examples show its consistent use in expressing personal beliefs or organizational stances.
Frequent in
News & Media
50%
Science
30%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "firmly believing that" is a grammatically correct and commonly used expression to convey a strong sense of conviction. As Ludwig AI confirms, it’s suitable for expressing certainty in various contexts, particularly in news, science, and formal communications. While its use is widespread, varying sentence structure and utilizing synonyms is advisable to maintain reader engagement. The phrase is suitable for professional contexts. Given its frequent appearance in authoritative sources like The New York Times and The Guardian, it holds a strong presence in reliable writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
strongly convinced that
Emphasizes the strength of the conviction, similar to "firmly believing that".
deeply convinced that
Indicates a conviction that is held at a profound level.
absolutely certain that
Highlights the complete certainty regarding the belief.
thoroughly persuaded that
Suggests a belief that has been formed after careful consideration.
genuinely convinced that
Emphasizes the sincerity and authenticity of the belief.
sincerely believing that
Highlights the honesty and earnestness of the belief.
truly believing that
Focuses on the genuine nature of the belief.
resolutely believing that
Indicates a firm and unwavering belief.
unwaveringly believing that
Stresses the steadfastness of the belief.
undoubtedly believing that
Indicates a belief held without any doubt.
FAQs
How can I use "firmly believing that" in a sentence?
Use "firmly believing that" to introduce a statement you strongly believe to be true. For example, "I am firmly believing that our efforts will lead to success".
What are some alternatives to "firmly believing that"?
You can use alternatives like "strongly convinced that", "deeply convinced that", or "absolutely certain that" to express a similar sentiment.
Is there a difference between "firmly believing that" and "firmly believe that"?
"Firmly believing that" is often used to introduce a clause, while "firmly believe that" is part of a direct statement. For example, "I firmly believe that honesty is the best policy."
When is it appropriate to use "firmly believing that" in writing?
It is appropriate to use "firmly believing that" in situations where you want to clearly and confidently express a strong personal conviction, whether in formal or informal writing.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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