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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
indubitably so
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "indubitably so" is correct and usable in written English.
It can be used to affirm something with certainty or to express agreement emphatically. Example: "When asked if the project would be completed on time, she replied, 'Indubitably so, we are ahead of schedule.'"
✓ Grammatically correct
News & Media
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
If it is an eight-cylinder clunker that is about to be scrapped anyway, then indubitably so.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
It posed no questions, since it was so indubitably a cheese, and she did not want anyone else coming to admire it.
News & Media
It was so remarkably, indubitably clear.
News & Media
Foster has lived openly with a partner and their adopted children, then broken up just as publicly: all in all, a quarter century or so of being indubitably gay.
News & Media
The marked myofiber HLA-DR expression and its perifascicular pattern we described in ASM have never been reported so far and indubitably constitute a new feature in myopathology.
So while the productivity revolution is indubitably good, the task ahead is to figure out how to distribute more of its gains to more of our people.
News & Media
The one dance that's indubitably a no-no for the Joyce is, curiously, a pas de deux, so the issue is scarcely one of crowding.
News & Media
While adopting technology in an effort to improve efficiency in government is, indubitably, something that states, cities and the federal government should be striving for, the consolidation of so many vital services in a single company should give regulators some pause.
News & Media
The thesis of eliminativism seems to be so obviously wrong to many critics, under the claim that people know immediately and indubitably that they have minds, that argumentation seems unnecessary.
Wiki
GL Indubitably.
News & Media
Indubitably, yes.
News & Media
Expert writing Tips
Best practice
Use "indubitably so" when you want to strongly affirm a statement or express agreement with a sense of formality and certainty. It's particularly effective in formal writing or when emphasizing a point.
Common error
Avoid using "indubitably so" in casual conversations or informal writing. Its formal tone can sound unnatural or pretentious in relaxed settings. Simpler affirmations like "certainly" or "definitely" are often more appropriate.
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Real-world application tested
Linguistic Context
The phrase "indubitably so" functions as an emphatic affirmative adverbial phrase. It strongly affirms a previous statement, conveying certainty and agreement. As Ludwig AI highlights, it's used to express a firm confirmation.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "indubitably so" is a formal adverbial phrase used to express strong agreement and certainty. Ludwig AI indicates its proper usage, and its occurrence is rare but correct in formal writing. Predominantly found in news and media contexts, it serves to emphatically affirm statements. Although grammatically sound, overuse in informal settings may sound unnatural. Alternatives like "undoubtedly so" or "certainly so" can offer similar affirmation with slightly less formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
undoubtedly so
Replaces "indubitably" with "undoubtedly", maintaining a strong sense of certainty but with slightly more common usage.
unquestionably so
Uses "unquestionably" instead of "indubitably", indicating that the statement is beyond any doubt.
certainly so
Substitutes "indubitably" with "certainly", offering a more direct and straightforward affirmation.
most certainly
Reorders the phrase to "most certainly", keeping a high level of formality but sounding slightly different.
assuredly so
Replaces "indubitably" with "assuredly", suggesting confidence in the affirmation.
absolutely so
Similar to "definitely so" but emphasizes the completeness of the affirmation.
definitely so
Offers a more informal substitute for "indubitably", making the affirmation less formal.
precisely so
Replaces "indubitably" with "precisely", suggesting exactness and agreement with details.
without a doubt
Replaces the entire phrase with a common idiom expressing certainty.
indeed
A concise affirmation, less emphatic than "indubitably so" but still formal.
FAQs
How can I use "indubitably so" in a sentence?
Use "indubitably so" to express strong agreement or affirmation. For example, "When asked if the project would succeed, the manager replied, 'Indubitably so, given our team's expertise and dedication.'"
What are some alternatives to "indubitably so"?
You can use alternatives like "undoubtedly so", "certainly so", or "assuredly so" to express similar agreement with slightly different nuances.
Is "indubitably so" formal or informal?
"Indubitably so" is a formal expression. Its use is best suited for professional or academic writing where a strong, somewhat elevated tone is appropriate.
When is it inappropriate to use "indubitably so"?
Avoid using "indubitably so" in casual conversations or informal writing as it can sound overly formal or pretentious. Simpler expressions of agreement are generally more suitable in those 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
100%
Authority and reliability
4.1/5
Expert rating
Real-world application tested