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
say with certainty
Grammar usage guide and real-world examplesUSAGE SUMMARY
"say with certainty" is a correct and usable phrase in written English.
You can use it when you would like to express that you are sure of something. For example: "The results of the study prove that our theory is correct - we can say with certainty that this is the case."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(3)
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
60 human-written examples
The scientists cannot say with certainty now".
News & Media
It is difficult to say with certainty.
News & Media
This I can say with certainty.
News & Media
No one can say with certainty why.
News & Media
JODL: I cannot say with certainty.
Academia
No man can say with certainty.
Academia
RAEDER: I cannot say with certainty.
Academia
It's hard to say with certainty.
News & Media
Age: Hard to say with certainty.
News & Media
No one could say with certainty what they should do.
News & Media
"Well, we can't say with certainty," he replied.
News & Media
Expert writing Tips
Best practice
When employing the phrase "say with certainty," ensure that the context aligns with the level of confidence you are projecting; avoid using it when expressing opinions or making speculative statements.
Common error
Avoid using "say with certainty" when the situation involves subjective opinions or lacks concrete evidence. This phrase implies a high degree of assurance and should be reserved for statements supported by verifiable facts or data.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "say with certainty" functions as a declaration of assurance or conviction. It is used to express that the speaker is highly confident in the truth or validity of a statement. As Ludwig AI confirms, this is a correct and usable phrase. Examples in Ludwig show its usage in diverse contexts.
Frequent in
News & Media
67%
Academia
17%
Formal & Business
6%
Less common in
Science
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "say with certainty" is a phrase used to express a high degree of confidence in a statement. Ludwig AI confirms its grammatical correctness and common usage. It's frequently found in News & Media and Academic contexts, carrying a neutral to formal register. While versatile, it should be used judiciously, reserved for situations where assertions are backed by solid evidence to avoid overstating claims. Alternative phrases, such as "state definitively" or "declare with assurance", can provide nuanced alternatives depending on the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
declare with assurance
Substitutes "say" with "declare" and "certainty" with "assurance", maintaining a similar level of formality.
state definitively
Replaces "say with certainty" with a more formal tone using "state" and "definitively."
assert unequivocally
Uses stronger vocabulary, "assert" and "unequivocally", to emphasize a firm declaration.
affirm with conviction
Emphasizes the speaker's strong belief in what they are saying, using "affirm" and "conviction".
attest without doubt
Replaces "say" with "attest" and "certainty" with "without doubt", adding a legal or formal nuance.
profess with confidence
Implies a declaration of belief or feeling, using "profess" and "confidence".
maintain resolutely
Suggests a firm and unwavering stance, using "maintain" and "resolutely".
avow assuredly
Uses less common vocabulary, "avow" and "assuredly", to express a confident declaration.
guarantee without reservation
Implies a promise or warranty, using "guarantee" and "without reservation".
warrant with certainty
Suggests a justification or assurance, combining "warrant" with "certainty" for a formal tone.
FAQs
How can I use "say with certainty" in a sentence?
The phrase "say with certainty" is used to express a strong belief or assurance about something. For example, "Based on the data, we can "say with certainty" that the new policy is effective."
What are some alternatives to "say with certainty"?
You can use alternatives such as "state definitively", "declare with assurance", or "assert unequivocally" depending on the context.
Is it better to "say with certainty" or "state with confidence"?
Both "say with certainty" and "state with confidence" express assurance, but "say with certainty" implies a higher degree of assurance based on factual evidence. "State with confidence" might be used when relying more on personal conviction or experience.
When is it inappropriate to use "say with certainty"?
It's inappropriate to use "say with certainty" when discussing opinions, predictions, or situations where complete assurance is not possible. It's best reserved for scenarios backed by concrete evidence or verifiable facts.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested