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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
no doubt about
Grammar usage guide and real-world examplesUSAGE SUMMARY
"no doubt about" is correct and usable in written English.
It is generally used to express a strong belief or opinion about something, and can be used when you are certain or convinced of something. For example: "There is no doubt about it – that was the best concert I've ever seen!".
✓ Grammatically correct
News & Media
Sports
General Conversation
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
59 human-written examples
"There's no doubt about it.
News & Media
There was no doubt about that.
News & Media
"Absolutely, no doubt about that," Sundhage said.
News & Media
We have no doubt about the answer.
News & Media
"No doubt about it," Rivera said.
News & Media
"I have no doubt about it".
News & Media
"There is no doubt about that.
News & Media
"No doubt about that," he said.
News & Media
"I have no doubt about the volunteers.
News & Media
That's prescriptivism — no doubt about it.
News & Media
Yeah, there's no doubt about that".
News & Media
Expert writing Tips
Best practice
In formal writing, consider using synonyms like "undoubtedly" or "certainly" for a more polished tone.
Common error
While effective, "no doubt about" can sound informal. In academic or professional writing, opt for stronger, more precise language to convey certainty without sounding conversational.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "no doubt about" functions as an emphatic expression of certainty or agreement. It typically precedes a statement to underscore the speaker's conviction. Ludwig examples confirm its use in asserting strong beliefs.
Frequent in
News & Media
45%
Sports
20%
Wiki
8%
Less common in
Science
10%
Formal & Business
9%
Encyclopedias
8%
Ludwig's WRAP-UP
In summary, "no doubt about" is a versatile phrase used to express strong certainty or agreement. As verified by Ludwig AI, the phrase is grammatically correct and very common across various contexts, particularly in News & Media and Sports. While effective, consider its level of formality and opt for synonyms like "undoubtedly" or "certainly" in more formal writing. The phrase's high frequency and consistent usage in authoritative sources reinforce its reliability in conveying conviction.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
without a doubt
Replaces "no doubt" with "without a doubt", maintaining the core meaning of certainty.
there's no question
Similar in structure but using "no question" instead of "no doubt".
undoubtedly
A single-word adverb expressing the same certainty, offering a more concise alternative.
certainly
Another single-word adverb indicating assurance and conviction.
definitely
Expresses a firm and clear affirmation, similar to "no doubt".
absolutely
Conveys strong agreement or affirmation, akin to expressing complete certainty.
beyond question
Indicates that something is so clear that it should not be questioned.
it is certain
A more formal way to express certainty regarding a particular matter.
without reservation
Implies complete agreement and conviction, lacking any hesitation.
it goes without saying
Suggests that something is so obvious that it doesn't need to be explicitly stated.
FAQs
How can I use "no doubt about" in a sentence?
You can use "no doubt about" to express certainty or strong agreement. For example, "There's "no doubt about it", he is the best candidate for the job."
What are some alternatives to "no doubt about"?
You can use alternatives such as "without a doubt", "undoubtedly", or "certainly" to express similar levels of certainty.
Is it always appropriate to use "no doubt about" in formal writing?
While grammatically correct, "no doubt about" may sound too informal for some formal contexts. Consider using more formal synonyms like "it is certain" or "beyond question" in academic or professional settings.
What's the difference between "no doubt about it" and "without a doubt"?
Both phrases convey certainty, but ""no doubt about it"" can sometimes be more conversational, while "without a doubt" is generally suitable for both formal and informal contexts.
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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
4.5/5
Expert rating
Real-world application tested