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
very certain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "very certain" is grammatically correct and can be used in written English.
It is typically used to emphasize the level of certainty about something. Example: "I am very certain that I locked the door before leaving the house."
✓ 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
60 human-written examples
The Patriots are very certain.
News & Media
"They're for a very certain demographic".
News & Media
You don't seem very certain.
News & Media
He was very certain he could continue.
News & Media
" 'I'm very, very certain about it.
News & Media
"Scientists are giving us a very certain message.
News & Media
He added: "Scientists are giving us a very certain message.
News & Media
But several Macedonian soldiers in the area are very certain.
News & Media
And yet something very certain and specific to time and place is communicated.
News & Media
"There's something very certain about the word 'husband.' There are infinite ways to interpret Emma.
News & Media
"Yes," he said, fixing his questioner with a steely glare and a broad smile, "very certain".
News & Media
Expert writing Tips
Best practice
When using "very certain", ensure your statement is backed by evidence or a strong rationale to maintain credibility.
Common error
Avoid using "very certain" when the evidence is weak or ambiguous. Overstating confidence can undermine trust if the claim proves to be inaccurate or unfounded.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "very certain" primarily functions as an adjectival phrase modifying a noun or pronoun, expressing a high degree of confidence or assurance. As stated by Ludwig AI, the phrase is grammatically correct and can be used in written English.
Frequent in
News & Media
43%
Science
37%
Formal & Business
5%
Less common in
Wiki
3%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "very certain" is a grammatically sound and frequently used expression to convey a strong sense of confidence. According to Ludwig AI, it's suitable for written English and emphasizes certainty. It appears most commonly in News & Media and Science contexts. While acceptable for most situations, varying your language with synonyms such as "absolutely sure" or "entirely convinced" can enhance your writing. Remember to use it judiciously, backing up claims with solid evidence to maintain credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
absolutely sure
Indicates complete confidence and lack of doubt; stronger emphasis on conviction.
completely positive
Emphasizes a fully affirmative and unwavering stance.
entirely convinced
Highlights that all doubts have been resolved, leading to complete belief.
firmly convinced
Stresses the resolute and unwavering nature of one's belief.
thoroughly persuaded
Implies a process of reasoning or evidence that has led to a strong belief.
fully assured
Focuses on the sense of reassurance and confidence received.
undeniably sure
Emphasizes the lack of any possible denial or contradiction.
without a doubt
Expresses certainty by negating any possibility of doubt.
definitely certain
Adds emphasis to the certainty, reinforcing the confidence.
unequivocally sure
Highlights the unambiguous and clear nature of the certainty.
FAQs
How can I use "very certain" in a sentence?
You can use "very certain" to express strong confidence or assurance about something. For example, "I am "very certain" that I locked the door".
What are some alternatives to "very certain"?
Alternatives to "very certain" include "absolutely sure", "completely positive", or "entirely convinced" depending on the context.
Is it better to say "very certain" or "certain"?
"Very certain" emphasizes a higher degree of confidence compared to simply saying "certain". The choice depends on the level of conviction you want to convey.
What is the difference between "very certain" and "pretty sure"?
"Very certain" indicates a strong level of confidence, while "pretty sure" suggests a moderate or tentative level of confidence. "Very certain" implies a higher degree of assurance.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested