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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
it is undoubtedly difficult
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is undoubtedly difficult" is correct and usable in written English.
You can use it when expressing certainty about the difficulty of a situation or task. Example: "Completing this project on time is, without a doubt, it is undoubtedly difficult given the tight deadlines."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
2 human-written examples
It is undoubtedly difficult to individually speak out against religious fanatics, as Ed Husain and others very well know.
News & Media
It is undoubtedly difficult to understand why in one locality breast augmentation may be eligible for NHS funding to correct asymmetry if "there is a disparity of 2 or more cup sizes in the lower range (size C or below) or 3 or more cup sizes in the upper ranges (size D upwards)", but in another locality the same procedure is ineligible for NHS funding for any patient group.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
"It was undoubtedly difficult, given the politics of an election year — and in some ways particularly poisonous politics this year — for the Administration to agree to something that the N.R.A. was trumpeting was all about Hillary Clinton going to the United Nations to take away people's guns, when the treaty has nothing to do with that".
News & Media
Such a moment is undoubtedly difficult to locate.
News & Media
Getting the balance right is undoubtedly difficult -- we do not have space here to revisit the arguments between Keynesian and liberal economists -- but the Baltic states in particular have demonstrated that austerity and growth are possible.
News & Media
Working with NO is undoubtedly difficult and experiments are susceptible to various artifacts arising from unintended chemical and biological reactions (reviewed in Keynes & Garthwaite, 2004).
It is, undoubtedly, a difficult situation and that requires us to think differently about how to get out of it.
Formal & Business
While clinical rules are undoubtedly difficult to use for a variety of reasons, we believe that a clinical rule that poorly or partially reflects the concerns of the physician making the decision is unlikely to be adopted.
The poignant scene shows there are undoubtedly difficult decisions ahead for French Jews.
News & Media
My dysphoria was undoubtedly difficult to work through while attempting to build a career, to say the least but I never thought it should be classified as a disability.
News & Media
However, it is undoubtedly true that these tumours can be difficult to identify, especially in their early stages, and it is then that radiological investigation becomes of paramount importance.
Science
Expert writing Tips
Best practice
Use "it is undoubtedly difficult" to clearly and confidently express the challenging nature of a task or situation. This phrase leaves little room for misinterpretation and conveys a strong sense of certainty.
Common error
While effective, overuse of "it is undoubtedly difficult" can make your writing sound stiff. In less formal settings, consider using simpler alternatives such as "it's really hard" or "it's quite a challenge".
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is undoubtedly difficult" functions as a declarative statement expressing a confident assertion about the challenging nature of something. As Ludwig AI confirms, the phrase is grammatically correct. Examples provided by Ludwig show its use in various contexts to emphasize the degree of difficulty.
Frequent in
News & Media
41%
Science
35%
Formal & Business
13%
Less common in
Wiki
0%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "it is undoubtedly difficult" is a grammatically correct phrase used to express strong confidence about the challenging nature of something. As Ludwig AI confirms, the phrase is acceptable in formal, scientific, and news contexts. While it may sound overly formal in casual conversations, it effectively communicates a clear assessment of difficulty. It's common in News & Media, Science, and Formal & Business domains, although less frequent than simpler alternatives. Consider using related phrases such as "it is certainly difficult" or "it is undeniably difficult" to vary your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is certainly difficult
Changes "undoubtedly" to "certainly", maintaining a high level of confidence in the difficulty.
it is undeniably difficult
Substitutes "undoubtedly" with "undeniably", emphasizing the indisputable nature of the difficulty.
it is definitely difficult
Replaces "undoubtedly" with "definitely", conveying a strong sense of certainty.
it is assuredly difficult
Uses "assuredly" in place of "undoubtedly", suggesting confidence in the assessment of difficulty.
it is unquestionably difficult
Employs "unquestionably" instead of "undoubtedly", highlighting the lack of doubt regarding the difficulty.
it is patently difficult
Replaces "undoubtedly" with "patently", indicating obvious difficulty.
it is plainly difficult
Uses "plainly" instead of "undoubtedly", suggesting the difficulty is easily seen or understood.
it is clearly difficult
Substitutes "undoubtedly" with "clearly", emphasizing the evident nature of the difficulty.
it is admittedly difficult
Changes "undoubtedly" to "admittedly", acknowledging the difficulty even if reluctantly.
it is understandably difficult
Replaces "undoubtedly" with "understandably", suggesting the difficulty is expected or reasonable.
FAQs
How can I use "it is undoubtedly difficult" in a sentence?
You can use "it is undoubtedly difficult" to express certainty about the challenging nature of something, such as: "It is undoubtedly difficult to master a new language" or "It is undoubtedly difficult to balance work and personal life".
What are some alternatives to "it is undoubtedly difficult"?
You can use alternatives like "it is certainly difficult", "it is undeniably difficult", or "it is definitely difficult" depending on the context.
Is "it is undoubtedly difficult" formal or informal?
"It is undoubtedly difficult" leans towards the formal side due to the use of "undoubtedly". For informal contexts, consider using phrases like "it's really hard" or "it's quite a challenge".
What is the difference between "it is undoubtedly difficult" and "it is probably difficult"?
"It is undoubtedly difficult" expresses a high degree of certainty, while "it is probably difficult" indicates a likelihood or possibility, suggesting less confidence in the assessment of difficulty.
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested