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
doubtless true
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "doubtless true" is correct and usable in written English.
It can be used to express certainty or strong belief in the truth of a statement or idea. Example: "The evidence presented in the report is, doubtless true, and should be taken seriously by all stakeholders."
✓ Grammatically correct
News & Media
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
25 human-written examples
And this is doubtless true.
News & Media
All this is doubtless true.
News & Media
In the long term, that is doubtless true.
News & Media
Doubtless true, but it could go either way.
News & Media
That is, doubtless true; and he has produced an exceedingly valuable book...
Academia
Her supporters say that many men cannot abide an ambitious woman, and that is doubtless true.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
Both surmises are doubtless equally true, being not true at all, except in effect.
News & Media
For men with ordinary energy and appetite for risk, this would doubtless be true.
News & Media
On the uncertain assumption that victory is swift and civilian casualties are limited, that will doubtless be true of the many Iraqis who have suffered directly at the hands of the regime.
News & Media
The reverse is doubtless also true; but to make Montaigne appear to be as important as he is requires one to resist the desire to find systematisable propositions underlying his writing.
News & Media
"While it doubtless is true that the architect or builder had a lot to do with the characteristics of the house — no doubt characteristics that made it an attractive and salable product — they cannot properly be said to have participated in any legally relevant sense in its resale down the line," Judge Kaplan wrote.
News & Media
Expert writing Tips
Best practice
Use "doubtless true" to express a strong conviction about the veracity of a statement. It's more emphatic than a simple "true".
Common error
While grammatically correct, "doubtless true" can sound overly formal or stiff in casual conversation. Opt for simpler alternatives like "definitely true" or "certainly true" in informal settings.
Source & Trust
92%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "doubtless true" functions as an adverbial modifier reinforcing the veracity of a statement. It conveys a sense of certainty, indicating that something is undoubtedly or unquestionably the case. As Ludwig AI suggests, it is used to express certainty.
Frequent in
News & Media
65%
Academia
25%
Encyclopedias
5%
Less common in
Science
2%
Formal & Business
2%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "doubtless true" is a grammatically correct and usable expression in English used to convey strong conviction. Ludwig AI confirms this. It functions as an adverbial modifier, affirming the truth of a statement. While suitable for both neutral and formal contexts like news and academic writing, it should be used sparingly in informal settings where it may sound overly formal. Alternatives such as "undoubtedly true" or "certainly true" can be used based on the desired level of emphasis. Remember, the best use of "doubtless true" is to strongly affirm a point while maintaining appropriate register.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
undoubtedly true
Replaces "doubtless" with "undoubtedly", emphasizing the lack of doubt.
certainly true
Substitutes "doubtless" with "certainly", indicating a firm conviction.
indisputably true
Replaces "doubtless" with "indisputably", suggesting the truth is beyond argument.
unquestionably true
Uses "unquestionably" instead of "doubtless", highlighting that the truth is not to be questioned.
assuredly true
Employs "assuredly" in place of "doubtless", conveying a sense of confidence in the truth.
definitely true
Simple substitution of "doubtless" with "definitely", indicating a clear and firm truth.
without a doubt true
Expands the phrase to explicitly state the absence of doubt.
unmistakably true
Replaces "doubtless" with "unmistakably", indicating the truth is clear and evident.
patently true
Replaces "doubtless" with "patently", indicating the truth is obvious.
plainly true
Replaces "doubtless" with "plainly", signifying the truth is easy to see or understand.
FAQs
How can I use "doubtless true" in a sentence?
You can use "doubtless true" to express a strong belief in the truth of something, like: "His claims about the company's success are, "doubtless true", given the latest financial reports."
What are some alternatives to "doubtless true"?
Alternatives include "certainly true", "undoubtedly true", or "indisputably true". The best choice depends on the specific nuance you want to convey.
Is "doubtless true" more formal than "certainly true"?
Yes, "doubtless true" tends to be more formal than "certainly true". "Doubtless" itself carries a slightly elevated tone, making the phrase suitable for formal writing or speech.
When should I avoid using "doubtless true"?
Avoid using "doubtless true" in very informal conversations or when trying to convey a lighthearted tone. Simpler phrases like "definitely true" or "probably true" might be more appropriate.
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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
92%
Authority and reliability
4.6/5
Expert rating
Real-world application tested