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
undoubtedly then
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "undoubtedly then" is correct and usable in written English.
It can be used to express certainty or agreement in a conclusion or statement that follows. Example: "The evidence presented was compelling; undoubtedly then, we must reconsider our initial stance."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(5)
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
1 human-written examples
Undoubtedly, then, Grosseteste saw a key role for geometry in the explanation of natural phenomena.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Human beings undoubtedly lived then, as most still do, in a state of deep absorption in the world around them.
Encyclopedias
The best advice the STUC can offer him is that when you're in a hole, as he undoubtedly is, then stop digging".
News & Media
His career contradicts another movie star myth, for if creative genius requires emotional demons – as his namesake Charlie, say, would undoubtedly maintain – then Sheen really should not be much of an actor at all.
News & Media
But given the closeness of the Brexit vote — and the long term disruption Brexit will undoubtedly cause — then any Russia-backed interference deserves to be quantified in full.
News & Media
Undoubtedly so.
News & Media
"If life was still extant," he said, "undoubtedly lives were then lost by the fact that we sat doing nothing".
News & Media
Pakistan, whose instability was obvious before September 11th and has undoubtedly increased since then, would seem to be a likely site for a similar competition.
News & Media
The star of the marathon committee session on phone hacking was undoubtedly Andy Hayman, the then top copper who was in charge of the first inquiry that led nowhere.
News & Media
Though Sigi Schmid's side have undoubtedly improved since then, the team is still not at their 2014 best, with three draws and a win in their last four matches.
News & Media
"If you have a skill that is high in demand, then undoubtedly you would find more premium on your services," says Paul Spoerry, manager of Oxford Archaeology East.
Science & Research
Expert writing Tips
Best practice
While "undoubtedly then" conveys certainty, be mindful of the context. Overusing it can make your writing sound overly assertive or repetitive; consider varying your phrasing with alternatives like "certainly then" or "definitely then".
Common error
Avoid using "undoubtedly then" when the connection between the preceding information and the conclusion isn't strong or clear. This can create a jarring effect and weaken your argument, making it sound like you're overstating the case. Ensure a genuine, logical link exists before using this phrase.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "undoubtedly then" functions as an adverbial connector, linking a premise or observation with a logically certain conclusion. As supported by Ludwig AI, it signifies assurance in the resulting statement.
Frequent in
News & Media
38%
Science
26%
Wiki
13%
Less common in
Encyclopedias
5%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "undoubtedly then" serves as an adverbial connector expressing a high degree of certainty in a logical conclusion. As confirmed by Ludwig AI, it's grammatically correct and usable across a range of contexts, though more frequently encountered in news, science, and academic writing. While effective for conveying assurance, it's essential to use it judiciously and ensure a clear link between the premise and conclusion to avoid sounding overly assertive. Alternatives such as "certainly then" or "definitely then" can offer subtle variations in emphasis. Remember to emphasize emphasis, and remember to avoid over-emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
certainly then
Emphasizes assurance and confirmation, similar to "undoubtedly then" but with a slightly different tone.
definitely then
Indicates a clear and unambiguous consequence or conclusion.
assuredly then
Conveys a strong sense of confidence and certainty in the subsequent statement.
inarguably then
Highlights that the following conclusion is beyond dispute or argument.
without a doubt, then
Adds extra emphasis on the certainty of the conclusion that follows.
unquestionably then
Stresses that there is no reason to question the following statement.
without question, then
Functions similarly to "unquestionably then", highlighting the lack of doubt.
necessarily then
Indicates that the following statement is a logical and unavoidable consequence.
logically then
Highlights the logical connection and inference leading to the conclusion.
consequently then
Emphasizes that the following statement is a result or effect of what preceded it.
FAQs
How can I effectively use "undoubtedly then" in a sentence?
Use "undoubtedly then" to signal a conclusion that follows logically and certainly from the information presented beforehand. For example, "The evidence is irrefutable; "undoubtedly then", the defendant is guilty."
What are some alternatives to using "undoubtedly then" in my writing?
Alternatives include "certainly then", "definitely then", or "without a doubt then". The best choice depends on the specific nuance you want to convey.
Is "undoubtedly then" appropriate for formal writing?
Yes, "undoubtedly then" is suitable for formal writing when used to express a clear and logical conclusion. However, be mindful of overuse, as it can make your writing sound repetitive. Consider varying your phrasing.
What is the difference between "undoubtedly then" and "undoubtedly"?
"Undoubtedly" is a standalone adverb expressing certainty. "Undoubtedly then" combines this certainty with a sense of sequential logic, indicating that the conclusion follows directly from what was previously stated. The addition of "then" emphasizes the consequence.
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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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested