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
that would undoubtedly
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that would undoubtedly" is correct and usable in written English.
It can be used to express a strong belief or certainty about a situation or outcome. Example: "If we continue on this path, that would undoubtedly lead to significant improvements in our productivity."
✓ Grammatically correct
News & Media
Science
Alternative expressions(1)
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
47 human-written examples
It is a self-sufficiency that would undoubtedly appeal to the conservative.
News & Media
Worst of all, Anderson's office hid from the defense some crucial evidence that would undoubtedly have caused the jury to find Morton not guilty.
News & Media
It would give the richest, most aggressive and most extremist jihadist group in the world right now a propaganda coup that would undoubtedly swell its ranks.
News & Media
But instead of writing the album that would undoubtedly have put him back in the spotlight — a "Born in the U.S.A".
News & Media
Johnson is indicating, though, that he will argue for a Brexit – a move that would undoubtedly see him become the "true blue" darling of the wider Tory membership.
News & Media
Completely bypassing the U.N. would set a dangerous precedent that would undoubtedly be used by other countries in the future to our and the world's detriment.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
10 human-written examples
Papers released from Robert Kennedy's personal files have revealed the speech his brother, President John F Kennedy, had prepared to announce a full scale invasion of Cuba that would have undoubtedly led to World War III.
News & Media
When Jackie first signed with the Brooklyn Dodger-affiliated Montreal Royals, Dodger President and General Manager Branch Rickey, appropriately nicknamed "Mahatma," asked him to turn the other cheek to the racial hatred and violence that would be undoubtedly hurled his way.
News & Media
There was a moment of stunned silence in the house, followed by a burst of adult laughter -- laughter tinged with the knowledge that someone would undoubtedly be making that long journey someday soon, because he would insist.
News & Media
If someone was born with a mutation that completely destroyed this programme, Walker reasoned, that person would undoubtedly die.
News & Media
A sailor who has served on a fast-attack submarine based in Pearl Harbor since 2005 said that pregnancy would undoubtedly end up disrupting missions and that the cramped ships could not accommodate women.
News & Media
Expert writing Tips
Best practice
Use "that would undoubtedly" to express a strong belief in a future outcome when you want to convey confidence and leave little room for doubt. Be mindful of your audience, as the phrase can come across as assertive.
Common error
While "that would undoubtedly" is grammatically sound, overuse in casual conversations can sound overly formal or pompous. Opt for alternatives like "that'd probably" or "that'd definitely" to maintain a more relaxed tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that would undoubtedly" functions as an adverbial phrase modifying a verb, expressing a high degree of certainty or conviction about a hypothetical or future event. Ludwig AI confirms this phrase to be usable in written English.
Frequent in
News & Media
67%
Science
26%
Formal & Business
2%
Less common in
Encyclopedias
0%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "that would undoubtedly" is a grammatically sound phrase used to express a strong sense of certainty about a likely outcome. It is versatile enough for various writing contexts, from news reports to scientific articles, as evidenced by Ludwig's examples. While Ludwig AI confirms it's a usable phrase, be mindful of your audience and avoid overuse in informal situations where a more relaxed tone is appropriate. Consider alternatives such as "that would certainly" or "that would definitely" to adjust the level of formality. Its prevalence in authoritative sources like The New York Times and The Guardian confirms its credibility and widespread acceptance.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that will undoubtedly
Changes the tense to future tense to reflect that the event hasn't happen yet but it is certain to happen.
that would certainly
Replaces "undoubtedly" with "certainly", indicating a strong degree of confidence but perhaps slightly less emphasis on the lack of doubt.
that would definitely
Substitutes "undoubtedly" with "definitely", offering a very similar meaning with a slightly more informal tone.
that would undeniably
Substitutes "undoubtedly" with "undeniably", focusing on the impossibility of denying the outcome.
that would assuredly
Replaces "undoubtedly" with "assuredly", which is a more formal synonym suggesting confidence and certainty.
that would without question
Replaces "undoubtedly" with "without question", emphasizing the indisputable nature of the outcome.
that would most likely
Replaces "undoubtedly" with "most likely", softening the assertion to indicate a high probability rather than absolute certainty.
that would very probably
Uses "very probably" instead of "undoubtedly", conveying a strong likelihood but allowing for a small chance of an alternative outcome.
that is sure to
Indicates a high degree of confidence in a future outcome, similar to "most likely".
that is bound to
Expresses inevitability using "is bound to" rather than indicating a subjective lack of doubt.
FAQs
How can I use "that would undoubtedly" in a sentence?
You can use "that would undoubtedly" to express a strong belief or certainty about a future outcome. For example, "Implementing these changes "that would undoubtedly" improve efficiency".
What are some alternatives to "that would undoubtedly"?
Alternatives include "that would certainly", "that would definitely", or "that would most likely" depending on the level of certainty you want to convey.
Is "that would undoubtedly" formal or informal?
"That would undoubtedly" leans toward the formal side, best suited for professional writing, news reports, or academic papers. In casual conversation, less formal options might be preferable.
What's the difference between "that would undoubtedly" and "that will undoubtedly"?
While both express a high degree of certainty, "that would undoubtedly" is often used in hypothetical scenarios or when discussing potential outcomes, whereas "that will undoubtedly" is used when referring to something the speaker is absolutely confident to happen.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested