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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
under no doubt
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "under no doubt" is correct and can be used in written English.
It is used to express a lack of doubt or uncertainty in something. For example, you can say: "It is under no doubt that he is the best candidate for the position."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
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
5 human-written examples
Be under no doubt, we are coming for you".
News & Media
"President Musharraf is under no doubt about the expectation of the international community for clear action to be taken in addition to that which has already been taken to clamp down effectively on cross-border terrorism," he said.
News & Media
William Long, a partner at Sidley Austin, said: "Organisations should be under no doubt that now is the time to start the process for ensuring privacy compliance with the regulations.
News & Media
The last thing I want is to be remembered as the person who derailed a lot of sustainable energy investment into something that wasn't real". But Prof Maas and Randy Booker, a UNC physicist, left under no doubt about Dr Mill's claims.
News & Media
"I'm under no doubt that the device on the bicycle was intended to kill police officers or the army disposal officer who turned up to deal with the first device," Chief Inspector John Burrows said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
There weren't a lot of other movies like that, but they didn't say, 'can't the characters be in their forties?' That fiftysomething audience is under-served, no doubt about it, but I don't set out to say 'nobody's making a film about a 58-year-old woman'; it's just where I go.
News & Media
Under a no-doubt-about-it headline -- "Meet Mr. Mayor: It's Not Easy Being Mark Green" -- Paper magazine, a kind of guide to downtown fashion and night life, ran a column in its December-January issue that began: "Mayor Mark Green.
News & Media
The referees will come under pressure, no doubt".
News & Media
A reputation for hanging in under pressure no doubt worked to Mr. Licitra's advantage.
News & Media
The polymer industry is particularly under fire, no doubt due to the short lifespan of many plastics based consumer products, the high visibility of polymers in municipal solid waste and the rapid increase of plastics consumption.
The outfield was patently unfit for purpose, obvious in the lead-up into the match, but the hamstrung ICC match referee, Alan Hurst, allowed the match to start, under pressure no doubt.
News & Media
Expert writing Tips
Best practice
Use "under no doubt" to express a strong sense of certainty, particularly when emphasizing the lack of any uncertainty or disagreement about a fact or situation. For increased impact, consider alternatives like "without a doubt" or "beyond any doubt".
Common error
While "under no doubt" is grammatically correct, it can sound overly formal in casual contexts. In everyday conversation, consider using simpler alternatives like "definitely" or "certainly" to maintain a natural tone.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "under no doubt" functions as an emphatic expression of certainty. It modifies a statement to indicate that there is no uncertainty or question about its validity. As noted by Ludwig, the phrase is grammatically correct and used to express a lack of doubt.
Frequent in
News & Media
60%
Formal & Business
20%
Science
20%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "under no doubt" is used to express a strong sense of certainty and conviction. Ludwig AI confirms that the phrase is grammatically correct and can be used in written English. While its usage is relatively rare, it appears most frequently in news and media contexts. Alternative phrases like "without a doubt" or "certainly" can provide similar meaning but may be more suitable for less formal settings. When using "under no doubt", ensure it aligns with the overall tone and register of your writing, as it conveys a high degree of certainty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
without a doubt
Replaces 'under no doubt' with a more common expression of certainty.
beyond any doubt
Emphasizes the lack of any uncertainty, similar to the original phrase.
certainly
A single-word adverb expressing sureness.
undeniably
Highlights the irrefutable nature of the statement.
unquestionably
Similar to 'undeniably', but focuses on the lack of valid questions.
assuredly
A more formal way to express certainty.
definitely
A common and direct way to indicate certainty.
it is certain
Restructures the phrase into a declarative statement.
indubitably
A more formal and less common synonym for 'without a doubt'.
without question
Similar to "without a doubt" but emphasizes the lack of inquiry.
FAQs
How can I use "under no doubt" in a sentence?
The phrase "under no doubt" is used to express a strong sense of certainty or conviction. For example: "It is "under no doubt" that he will succeed".
What are some alternatives to "under no doubt"?
Alternatives to "under no doubt" include "without a doubt", "beyond any doubt", or "certainly". The best choice depends on the specific context and desired level of formality.
Is it more common to say "under no doubt" or "without a doubt"?
"Without a doubt" is generally more common in contemporary English than "under no doubt", which can sound more formal or emphatic.
What's the difference between "under no doubt" and "beyond a reasonable doubt"?
"Under no doubt" expresses a general sense of certainty, while "beyond a reasonable doubt" is a legal standard of proof, requiring a very high degree of certainty. They are used in different contexts and are not interchangeable.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested