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
definite certainty
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "definite certainty" is correct and usable in written English.
It can be used to emphasize a strong assurance or conviction about something being true or certain. Example: "After reviewing all the evidence, I can say with definite certainty that the project will succeed."
✓ 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
2 human-written examples
The familiar face with the soft smile is a work of art etched into our very knowledge as the image of a classic painting vaguely reminiscent of a mother, a wife, a sister -- but with no definite certainty, and a sense of the absurd feeling that she knows more about us watchers than we do about her, staring back.
News & Media
Of these, 86 subjects met criteria for definite TS and 96 met criteria for TS or other tic disorders at the probable or definite certainty level.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Because our database did not contain information about clinical signs and symptoms, we included only cases meeting the clinical case definition of definite (level I of diagnostic certainty) intussusception according to surgical, radiological, or autopsy criteria [ 8], and excluded all other cases coded as intussusception in the database.
Science
Diagnoses were further classified as active, potentially active or inactive (at any time during the index admission), and level of diagnostic certainty as definite, probably or possible.
Science
Not definitive, just definite.
News & Media
Recently, criteria proposed for bvFTD define three levels of diagnostic certainty: possible, probable, and definite.
Science
According to the classification by Rasmussen et al. [ 20], the patients in this study that were classified as neuropathic, could with most certainty be considered as definite since the etiology is spinal cord injury.
Furthermore, researchers may decide on including outcomes of various certainties (e.g. definite, probable).
As of August 1913, no definite route had been planned; the only certainty was the route would pass through Iowa.
Wiki
Chloracne (nearly 200 cases with a definite exposure dependence) was the only effect established with certainty.
The category of IND is used most often in the setting of inflammation/ulceration where a definite distinction between regeneration and dysplasia cannot be made with certainty.
Expert writing Tips
Best practice
Use "definite certainty" when you want to emphasize the strength of your conviction or assurance about something. It adds emphasis but avoid overuse as it can sound redundant.
Common error
While "definite certainty" can add emphasis, overuse can make your writing sound repetitive and less impactful. Consider using stronger verbs or adjectives instead to convey certainty more succinctly.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "definite certainty" functions as an intensifier to the noun "certainty". As Ludwig AI indicates, this phrase is deemed correct and emphasizes the strength of the assurance or conviction being expressed. It underscores the absence of doubt in a statement.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "definite certainty" is a grammatically correct way to express a strong sense of assurance. Although Ludwig AI indicates it's appropriate for use, it should be employed judiciously to avoid redundancy. It's found in both News & Media and Scientific contexts, indicating its versatility. Consider alternatives like "absolute assurance" for varied expression. When used thoughtfully, "definite certainty" can effectively emphasize your confidence, but remember to prioritize clarity and avoid overusing the phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
absolute assurance
Emphasizes the completeness and lack of doubt in the assurance.
unequivocal conviction
Highlights the unwavering and unambiguous nature of the belief.
unquestionable certainty
Focuses on the impossibility of doubting the certainty.
indisputable assurance
Stresses the undeniable quality of the assurance.
rock-solid conviction
Implies a strong and unwavering belief, emphasizing its stability.
ironclad certainty
Similar to "rock-solid", this highlights the impregnable nature of the certainty.
positive certitude
Uses a more formal term for certainty, emphasizing a confident and affirmative stance.
categorical assurance
Emphasizes the lack of exceptions or conditions to the assurance.
assured certitude
Highlights the confident and secure nature of the certitude.
complete conviction
Focuses on the thoroughness and entirety of the belief.
FAQs
How can I use "definite certainty" in a sentence?
You can use "definite certainty" to express a strong and confident assertion, as in, "I can state with "definite certainty" that the project will be completed on time."
What phrases are similar to "definite certainty"?
Alternatives to "definite certainty" include "absolute assurance", "unequivocal conviction", or "unquestionable certainty", which all convey a strong sense of conviction.
Is "definite certainty" redundant?
While "definite" and "certainty" both imply a lack of doubt, using them together can emphasize the strength of the conviction. However, be mindful of potential redundancy and choose the most effective wording for your context.
What's the difference between "definite certainty" and "high probability"?
"Definite certainty" suggests a complete lack of doubt, whereas "high probability" indicates a strong likelihood but acknowledges a possibility of being incorrect.
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
4.1/5
Expert rating
Real-world application tested