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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 certainly
Grammar usage guide and real-world examplesUSAGE SUMMARY
"it is certainly" is a correct and usable phrase in written English.
It is often used to express agreement with something that has been said, or to express certainty or assurance about something. For example: "It is certainly an interesting topic of discussion."
✓ Grammatically correct
News & Media
Science
Academia
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
It is certainly needed.
News & Media
It is certainly big.
News & Media
It is certainly daring.
News & Media
It is certainly brutal.
News & Media
It is certainly unique.
News & Media
It is certainly contagious.
News & Media
It is certainly important.
News & Media
It is certainly special.
News & Media
It is certainly trying.
News & Media
It is certainly poorly.
News & Media
It is certainly energetic.
News & Media
Expert writing Tips
Best practice
Use "it is certainly" to express confidence in a statement, especially when you want to reassure your reader or emphasize a point. For example, "It is certainly a challenging project, but it's also incredibly rewarding."
Common error
Avoid using "it is certainly" too frequently in your writing, as it can make your tone sound repetitive or overly emphatic. Vary your language with synonyms like "definitely", "undoubtedly", or "assuredly" to maintain reader engagement.
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "it is certainly" is to act as an emphatic affirmation or assertion. It's used to strengthen the validity of a statement, indicating a high degree of confidence or agreement. As Ludwig AI indicates, it’s a correct and usable phrase.
Frequent in
News & Media
60%
Science
20%
Academia
10%
Less common in
Formal & Business
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "it is certainly" functions as an emphatic affirmation, used to convey certainty and strengthen assertions. Ludwig AI confirms it is a correct and usable phrase. While versatile, as demonstrated by numerous examples across news, academic, and scientific domains, be mindful of overuse to maintain a dynamic tone. Alternatives such as "it is definitely" or "it is undoubtedly" can offer variety. Primarily found in news and media, it also sees significant use in scientific and academic writing, maintaining a generally neutral register.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it is definitely
This alternative conveys a similar sense of certainty and agreement but is slightly more informal.
it is undoubtedly
This alternative emphasizes the lack of doubt and the obviousness of the statement.
it is assuredly
This alternative provides a more formal and emphatic way of expressing certainty.
it is undeniably
This alternative focuses on the impossibility of denying the truth of the statement.
it is unquestionably
This alternative indicates that the statement cannot be questioned or challenged.
it is manifestly
This alternative suggests that the statement is clearly apparent or obvious to everyone.
it is incontestably
This alternative highlights that the statement cannot be disputed or contested.
it is beyond question
This alternative suggests there is no reason to doubt or question the statement.
it is without a doubt
This alternative emphasizes the absence of any doubt regarding the statement.
it goes without saying
This alternative implies that the statement is so obvious that it does not need to be stated explicitly.
FAQs
How can I use "it is certainly" in a sentence?
Use "it is certainly" to express agreement, affirmation, or conviction about a statement. For example: "It is certainly a good idea to consider all options before making a decision."
What are some alternatives to "it is certainly"?
You can use alternatives such as "it is definitely", "it is undoubtedly", or "it is assuredly" depending on the specific context and the level of formality you want to convey.
Is "it is certainly" formal or informal?
"It is certainly" is generally considered neutral to slightly formal. While suitable for professional and academic writing, alternatives may be more appropriate for very informal settings.
What is the difference between "it is certainly" and "it is probably"?
"It is certainly" expresses a higher degree of confidence and assurance than "it is probably". The former indicates a strong belief in the truth or validity of a statement, while the latter suggests a possibility or likelihood.
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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
4.5/5
Expert rating
Real-world application tested