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
out of doubt
Grammar usage guide and real-world examplesUSAGE SUMMARY
"out of doubt" is a correct and usable phrase in written English.
You can use it to express when there is no doubt about something, such as in the following example: "It's out of doubt that technology has revolutionized the way we work."
✓ Grammatically correct
News & Media
Science
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
9 human-written examples
Although it is out of doubt that the L3 ancestor of M had an African origin, macrohaplogroup M radiated outside Africa and M1 should be considered an evolved branch that signals its return to this continent.
Science
The narrator lurches out of doubt and defiance, and wakes God from his dream.
News & Media
Who list her hunt, I put him out of doubt, As well as I, may spend his time in vain.
News & Media
There was no longer anything to keep him from approaching Ellie, but he held off even so, not out of doubt but in order to savor his own intentions.
News & Media
Gonsalez helped put the game out of doubt when he doubled home two more runs.
News & Media
I wasn't seeking approval so much out of doubt, but wanting to share my excitement about this thing I'd created and this new dream I was committing to.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
But many grow out of their doubts, he reckons, and return, especially when they have children.Religious leaders certainly try to draw them back into the fold.
News & Media
Some out-of-staters no doubt come here to visit Disney World and the area's many other attractions, but many also come expressly for this event.
News & Media
And as Farber points out, the reign of doubt at the Israeli rabbinate began as it was becoming steadily less likely that an American Jew would be able to dig an Orthodox marriage contract out of her mother's drawer.
News & Media
This year, however, your correspondent made an exception, and not because I figured that many out-of-towners were no doubt foiled by the blooms' extremely early arrival.
News & Media
I belted out the lyrics at the top of my lungs, drowning out the screaming demons of doubt.
News & Media
Expert writing Tips
Best practice
Use "out of doubt" when you want to emphasize that something has been definitively resolved and there is no remaining uncertainty. It is suitable for formal writing and persuasive arguments where clarity is paramount.
Common error
While "out of doubt" is a valid phrase, consider whether more common alternatives like "without a doubt" or "beyond question" would sound more natural and be more readily understood by your audience. Overusing less common phrases can make your writing seem stilted or unnatural.
Source & Trust
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "out of doubt" functions as an adverbial phrase, modifying a verb or clause to indicate a state of certainty. Ludwig AI confirms the phrase's usability. It asserts the absence of uncertainty or ambiguity regarding the statement being made.
Frequent in
News & Media
50%
Science
33%
Formal & Business
17%
Less common in
Wiki
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "out of doubt" is a grammatically sound but less frequently used way to express certainty. Ludwig AI confirms it is a correct phrase. While valid, consider opting for more common alternatives such as "without a doubt" or "beyond question" for greater clarity and naturalness. It is used in formal contexts, such as News & Media and Science domains. The phrase is best suited for situations where you want to strongly emphasize the absence of any uncertainty.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
without a doubt
A very common alternative emphasizing certainty and the absence of any reason to doubt.
beyond question
Indicates something is definitively true and not open to debate, emphasizing the lack of any question regarding it.
without any question
Expands on "without a doubt" by explicitly stating the lack of any questions.
indisputably
An adverb meaning something cannot be disputed or denied, highlighting the irrefutable nature of the fact.
unquestionably
Similar to "indisputably", but emphasizes that something should not even be questioned.
undeniably
Highlights that something cannot be denied, even if someone might want to.
certainly
A more general term indicating sureness or confidence about something.
definitely
Similar to "certainly", but with a slightly stronger emphasis on the lack of possibility for error.
assuredly
A more formal way to express certainty and confidence.
incontestably
A formal term suggesting something is impossible to contest or challenge.
FAQs
What does "out of doubt" mean?
The phrase "out of doubt" means that something is certain and there is no reason to question it. It indicates a state of being free from uncertainty.
Is "out of doubt" the same as "without a doubt"?
While similar, "out of doubt" and "without a doubt" both convey certainty. However, "without a doubt" is more commonly used in contemporary English.
How can I use "out of doubt" in a sentence?
You can use "out of doubt" to emphasize the certainty of a statement, such as, "It is out of doubt that the earth is round".
What are some alternatives to saying "out of doubt"?
You can use alternatives like "beyond question", "indisputably", or "certainly" to express a similar meaning.
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
4.2/5
Expert rating
Real-world application tested