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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
incontestably
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "incontestably" is correct and usable in written English.
It can be used to express that something is undeniable or cannot be disputed. Example: "The evidence presented in the trial proved incontestably that the defendant was guilty."
✓ Grammatically correct
News & Media
Encyclopedias
Formal & Business
Alternative expressions(20)
unquestionably
definitely and certainly
utterly and unequivocally
positively and absolutely
admittedly
clearly
squarely
absolutely and totally
positively
assuredly
undisputedly
completely and unequivocally
without reservation
absolutely and unequivocally
crucially
certainly
unequivocally
without any doubt
indubitably
wholeheartedly and unequivocally
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
58 human-written examples
Those suffering fans were incontestably touched by desperation, recent setbacks such as a draw and a defeat at home to Falkirk and Hibernian leaving Tony Mowbray's seemingly hapless squad 10 points behind Rangers.
News & Media
The police incontestably collaborated in them, as did the city authorities.
News & Media
Romania, once a breadbasket, could with its 23m people be a powerhouse of south-eastern Europe, just as Poland with nearly 40m has emerged incontestably as the new dynamo of east-central Europe between Germany and Belarus-Russia.
News & Media
What is incontestably real is Ms Portman's triumph in rising to the demands of the role, and the weird beauty of the film Mr Aronofsky has created to display her Oscar-calibre performance.In this section Caught in the net History of an unfinished fight Left out in the rain Piecing it together The king's shilling Inside moves Reprints.
News & Media
A prickly wariness about Poland's place in the world is increasing.Yet, for all these wobbles and worries, the country is secure in its oft-threatened independence and has emerged incontestably as the most muscular of the countries about to join the EU and as a force soon to be reckoned with at the top table in Brussels.
News & Media
Ms Guillem is still, as a dancer, most strongly and memorably associated with the piece.Her versatility and eagerness to try new things have, incontestably, marked her out as unique in her dance generation.
News & Media
The earliest text in a language that is incontestably Assamese is the Prahlāda-caritra of Hema Sarasvati (or Saraswati; 13th century); in a heavily Sanskritized style it tells the story, from the Viṣṇu-Purāṇa, of how the mythical king Prahlāda's faith and devotion to Vishnu saved him from destruction and restored the moral order.
Encyclopedias
Moses Maimonides Mosess ben Maimon; 1135 1204), a native of Spain, is incontestably the greatest name in Jewish medieval philosophy, but his reputation is not derived from any outstanding originality in philosophical thought.
Encyclopedias
Like most notable Italian artists, Dürer probably felt himself to be an "artist-prince," and his self-portraits seem incontestably to show a man sure of his own genius.
Encyclopedias
As it is today, it is an Apartheid state, a full apartheid in the occupied territories and a growing apartheid in Israel – and if this goes on, it will be full apartheid throughout the country, incontestably".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
15 March 1952: Britten's Billy Budd comes to Manchester - 'incontestably his finest opera so far'.
News & Media
Expert writing Tips
Best practice
Use "incontestably" to add emphasis and certainty to your statements, particularly when presenting evidence or arguing a point.
Common error
Avoid using "incontestably" in casual conversation or informal writing, as its formality can sound overly assertive or pretentious.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "incontestably" is as an adverb. It modifies verbs, adjectives, or other adverbs to emphasize the certainty or undeniable nature of a statement or action. As seen in Ludwig, it strengthens the assertion being made.
Frequent in
News & Media
64%
Encyclopedias
14%
Formal & Business
8%
Less common in
Science
6%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "incontestably" functions as an adverb used to assert that something is undeniably true or cannot be disputed. As Ludwig AI highlights, this word is grammatically correct and appropriate for formal writing. It's most frequently found in news and media, encyclopedias, and formal business contexts. While it adds emphasis, it should be used judiciously to avoid sounding overly assertive. Alternatives include "indisputably" and "incontrovertibly". Overall, when used correctly, "incontestably" is a powerful tool for conveying certainty and conviction.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
indisputably
Emphasizes the impossibility of disputing the statement.
incontrovertibly
Highlights the undeniable and irrefutable nature of the information.
undeniably
Directly states that something cannot be denied.
unquestionably
Implies that the statement is beyond any question or doubt.
undoubtedly
Expresses a lack of doubt or uncertainty.
indubitably
Conveys that something is beyond doubt or question.
irrefutably
Focuses on the impossibility of refuting the statement.
certainly
Indicates a strong degree of confidence or assurance.
assuredly
Expresses confidence and conviction.
positively
Confirms the truth or certainty of something.
FAQs
How can I use "incontestably" in a sentence?
You can use "incontestably" to emphasize a point that is beyond dispute. For example: "The evidence "incontestably" proves his innocence."
What are some alternatives to "incontestably"?
Some alternatives to "incontestably" include "indisputably", "incontrovertibly", and "undeniably". The best choice depends on the specific context and the nuance you wish to convey.
What is the difference between "incontestably" and "undeniably"?
"Incontestably" implies that a fact or statement is so clear and well-supported that it cannot be contested. "Undeniably" simply means that something cannot be denied, but it might not necessarily carry the same weight of evidence as "incontestably".
Is it appropriate to use "incontestably" in formal writing?
Yes, "incontestably" is appropriate for formal writing. It is often used in academic papers, legal documents, and other professional contexts to express a high degree of certainty.
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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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested