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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
definitely and certainly
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "definitely and certainly" is correct and usable in written English.
It can be used to emphasize certainty or assurance about a statement or belief. Example: "I definitely and certainly believe that we will succeed in this project."
✓ Grammatically correct
Alternative expressions(20)
unquestionably
utterly and unequivocally
positively and absolutely
absolutely guaranteed
absolutely and totally
incontestably
assuredly
most assuredly
completely and unequivocally
without reservation
absolutely and unequivocally
without any doubt
certainly
wholeheartedly and unequivocally
clearly and unequivocally
categorically and unequivocally
without a doubt
beyond question
indisputably
definitely
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
By no means a Marxist revolution (although Marxists were a part of it), it was definitely progressive, and certainly popular.
News & Media
He is definitely more experienced and certainly more confident.
News & Media
"It's definitely appropriate, definitely meant to be and certainly poetic.
News & Media
None of these people are truly household names, in the way that Sonic and Mario, or Messi (definitely) and Marco (possibly, certainly soon to be) are.
News & Media
"There is definitely a new attitude and certainly a positive attitude," said Jon Weiner, who co-hosts a talk show on 790 The Ticket, the Marlins' flagship radio station.
News & Media
The way Cro looked, he's an explosive returner back there and, certainly, we could definitely do that".
News & Media
The idea that evolution would be oriented toward consciousness is a recurrent cosmological option indeed but it is definitely not the only one possible, and certainly not mine.
Science
And they should definitely consider formal translation training--it is the best, and certainly the fastest, way to develop professional-grade skills.
Science & Research
As tragic and certainly also partly criminal these events are, they are definitely not by principle due to 'communism'communism
We can and certainly should preserve some of our history and learn from and respect the cultures of the past, but definitely, certainly not at the expense of the living generation.
Academia
Definitely, most certainly, not "putts".
News & Media
Expert writing Tips
Best practice
While "definitely and certainly" is grammatically correct, consider using stronger, single-word adverbs like "undoubtedly" or "assuredly" for a more impactful statement. Choose the word that best fits the tone and context of your writing.
Common error
Avoid using multiple adverbs that express the same degree of certainty, as it can make your writing sound repetitive and less impactful. Instead of "definitely and certainly", choose the single most appropriate adverb.
Source & Trust
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "definitely and certainly" functions as an emphatic adverbial phrase. It is used to intensify the assertion of a statement, indicating a strong degree of confidence or assurance. Ludwig AI indicates that the phrase is grammatically correct.
Frequent in
Science
0%
News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
The phrase "definitely and certainly" is grammatically correct but can be stylistically improved. Ludwig AI indicates that it serves to emphasize a statement but may be more impactful with stronger, single-word alternatives. While semantically valid, it is often more effective to use a single, more potent adverb or phrase to avoid redundancy. Consider stronger options like "undoubtedly" or "without a doubt" for greater clarity and emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
absolutely and positively
Emphasizes affirmation by pairing two adverbs signifying complete agreement. Offers stronger sense of confirmation than the original.
definitely without question
Combines an adverb of certainty with a phrase denying any doubt. Offers stronger reassurance than the original.
without a doubt
Replaces the adverbs with a prepositional phrase indicating a lack of uncertainty. It is different because it uses a more concise and direct expression.
unquestionably and positively
This alternative provides a strong affirmation, highlighting certainty and agreement. It is different for its balanced expression of confirmation.
certainly and truly
Replaces "definitely" with "truly", adding a sense of sincerity and genuineness. It is different because it adds a more personal tone.
undeniably and assuredly
Similar to the original but uses synonyms that convey a slightly more formal tone. Offers a more sophisticated alternative.
absolutely guaranteed
Replaces the initial phrase with a stronger expression of certainty, emphasizing assurance. It is different for its confident and persuasive tone.
assuredly and without fail
This phrase emphasizes reliability and the inevitability of an event or outcome. Offers a more descriptive alternative.
most assuredly
More formal and emphatic, suitable for contexts where a high degree of certainty is required. It is different for being a single phrase.
positively and unequivocally
Highlights the firmness and clarity of a statement, leaving no room for misinterpretation. It is different for using stronger synonyms.
FAQs
What does "definitely and certainly" mean?
The phrase "definitely and certainly" is used to express a strong sense of affirmation or confirmation. It's a way of emphasizing that something is true or will happen without any doubt.
What can I say instead of "definitely and certainly"?
You can use alternatives like "undoubtedly", "without a doubt", or "assuredly" to convey a similar sense of strong affirmation.
Is it redundant to say "definitely and certainly"?
Yes, "definitely" and "certainly" are synonyms and using them together can be redundant. Choosing just one of them or a stronger single-word alternative can make your writing more impactful.
How can I use "definitely and certainly" in a sentence?
While grammatically correct, consider if a single adverb might be more effective. For example, instead of "I definitely and certainly agree", try "I undoubtedly agree".
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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
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested