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
under any doubt
Grammar usage guide and real-world examplesUSAGE SUMMARY
The expression "under any doubt" is correct and is used in written English.
You can use it when you are unsure about something or when you want to express that something is not certain. Example: "I'm not under any doubt that this is the right decision."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
without any doubt
beyond any doubt
there is no doubt
without a doubt
without question
do not doubt
certainly
it is certain
indubitably
assuredly
unequivocally
under any suspicion
under any pressure
under any obligation
under any investigation
under any stress
under any flag
under any definition
under any bus
under any slogan
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
7 human-written examples
"If Mali is allowed to be taken over by these people, don't be under any doubt what will happen.
News & Media
A State Department spokeswoman, Joanne Moore, said, "No one should be under any doubt that we fully support the legitimate civilian government" of Mrs. Arroyo.
News & Media
In the general humdrum reality of British political life these powers may be theoretical – but no one living in this country should be under any doubt that they are there.
News & Media
If you are under any doubt, watch the documentary Facing the Music detailing the collapse in education standards at the University of Sydney's School of Music after Howard decided to be the universities' vivisectionist.
News & Media
De Gea may need some time to shake his head clear and no one should be under any doubt he will be returning to England against his wishes but Old Trafford, despite the impression he has given recently, is not a five-star prison and his goalkeeping has been so exceptional over the last couple of seasons that the benefits to his team will be considerable if he can snap out of his mood.
News & Media
"No one should be under any doubt - prisoners are not getting the vote under this government," he told MPs.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
For the avoidance of any doubt: under UK law, it is.
News & Media
Nor has there been any doubt about the turnaround under Mr. Gerstner or the health of the company he passed onto Mr. Palmisano, who became chief executive in March 2002.
News & Media
"No one should be in any doubt of two things: under this government we will have aircraft carriers, Type 45 destroyers, the new frigates, the hunter-killer submarines".
News & Media
In his response to the SNP's Westminster leader Angus Robertson, he added: "No-one should be in any doubt of two things: under this government we will have aircraft carriers, Type 45 destroyers, the new frigates, the hunter-killer submarines.
News & Media
JG: Farrell does not run much and Biggar has run almost three times more often this year, but the Wales fly-half also kicks out of hand much more and has actually kicked away more possession, under orders no doubt, than any other player this campaign.
News & Media
Expert writing Tips
Best practice
Use "under any doubt" to clearly communicate that something should be regarded as certain and unquestionable, especially when addressing potential skepticism or confusion. For example: "It is vital that we are all clear on the procedures, so that our staff are "under no confusion" or "under any doubt" as to what is expected of them."
Common error
While grammatically correct, overuse of "under any doubt" can make your writing sound overly formal or stilted. Consider using simpler alternatives like "certainly" or "definitely" in casual conversation or less formal writing to maintain a natural tone.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "under any doubt" functions as a prepositional phrase that modifies a verb or noun, indicating a state of certainty or the absence of uncertainty. Ludwig confirms its correct usage.
Frequent in
News & Media
60%
Science
20%
Wiki
10%
Less common in
Formal & Business
5%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "under any doubt" serves as a prepositional phrase used to express certainty and remove ambiguity. Ludwig AI indicates that it is grammatically correct and is seen across various contexts, especially in news and media. While not extremely common, its use is valid and can be enhanced by considering simpler or more emphatic alternatives depending on the desired tone. When aiming for clarity and conviction, ensure that the context warrants the level of formality that "under any doubt" implies.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
without any doubt
Replaces "under" with "without", emphasizing the absence of doubt directly.
beyond any doubt
Implies a higher degree of certainty than the original phrase.
there is no doubt
Uses a different sentence structure to convey the same meaning.
without question
Highlights the indisputable nature of something.
do not doubt
Expresses a command or strong suggestion to avoid doubting.
certainly
Simple adverb expressing a high degree of confidence.
it is certain
States a fact with absolute certainty.
indubitably
A single-word adverb meaning "without a doubt."
assuredly
Similar to "indubitably" but with a slightly different nuance.
unequivocally
Emphasizes the lack of ambiguity or reservation.
FAQs
How can I use "under any doubt" in a sentence?
The phrase "under any doubt" is used to express that something should be regarded as certain or unquestionable. For example: "No one should be "under any doubt" - prisoners are not getting the vote under this government."
What are some alternatives to "under any doubt"?
Some alternatives include "without any doubt", "beyond any doubt", or "there is no doubt", depending on the context.
Is it correct to say "without a doubt" instead of "under any doubt"?
Yes, "without a doubt" is a common and often interchangeable alternative to "under any doubt", though the latter can emphasize the removal of uncertainty more strongly.
What is the nuance difference between "under any doubt" and "beyond any doubt"?
"Under any doubt" suggests a state of not being uncertain, while "beyond any doubt" implies a higher level of certainty, suggesting that all possible doubts have been eliminated.
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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested