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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
almost certain that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "almost certain that" is correct and usable in written English.
It can be used when expressing a high degree of confidence about a particular situation or outcome, but not absolute certainty. Example: "I am almost certain that the meeting will be rescheduled for next week."
✓ Grammatically correct
News & Media
Academia
Science
Wiki
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
I'm almost certain that it was her.
News & Media
"I'm almost certain that it goes deeper.
News & Media
"It's almost certain that he's seen it," Father Malone said.
News & Media
It is almost certain that Hollywood will fail that test.
News & Media
She's (almost) certain that her future lies in science.
News & Media
He was probably almost certain that it did.
News & Media
It is almost certain that the UK really will exit.
News & Media
Yep, I was almost certain that was the case.
News & Media
It is almost certain that Wani will be killed.
News & Media
It is almost certain that we will not discuss every paper.
Academia
You haven't yet retrieved your knickknack, but you're almost certain that you soon will.
Academia
Expert writing Tips
Best practice
Use "almost certain that" to express a high degree of confidence when you want to acknowledge a small possibility of being incorrect. It is useful when making predictions or drawing conclusions based on available evidence.
Common error
Avoid using "almost certain that" when you have concrete proof. In such cases, stating the fact directly is more effective and credible. Reserve this phrase for situations where some level of uncertainty remains.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "almost certain that" functions as an epistemic modal, expressing a high degree of confidence or belief about a proposition. Ludwig confirms its wide use in expressing near certainty without absolute assurance.
Frequent in
News & Media
50%
Academia
20%
Science
15%
Less common in
Wiki
10%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
The phrase "almost certain that" is a versatile tool for expressing a high degree of confidence without claiming absolute certainty. As confirmed by Ludwig, it appears frequently across various domains, including news, academia, and science. While grammatically correct and widely accepted, it's important to avoid overstating your certainty when using this phrase. Alternatives like "very likely that" or "highly probable that" can provide subtle variations in meaning. Remember to reserve "almost certain that" for situations where you have strong evidence but not definitive proof.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
virtually নিশ্চিত that
This phrase suggests near certainty, very little doubt exists.
very likely that
This option is more direct and commonly used, similar in tone.
highly probable that
This alternative uses stronger vocabulary, indicating a higher probability.
reasonably sure that
This alternative suggests that there is some base for your certainty, using 'reasonably' to imply rational cause.
fairly positive that
This suggests a positive outlook and fairly high confidence.
mostly confident that
This emphasizes a confident feeling, rather than a calculated probability.
pretty sure that
This option is informal and conveys a casual level of confidence.
likely enough that
This is less direct in its confidence and more in showing probability
it is to be expected that
A more formal way of saying likely.
it stands to reason that
Implies logical thinking leading to a specific conclusion.
FAQs
How can I use "almost certain that" in a sentence?
You can use "almost certain that" to express a high degree of confidence about something. For example, "I am "almost certain that" the meeting will be rescheduled."
What are some alternatives to "almost certain that"?
Alternatives include "very likely that", "highly probable that", or "virtually certain that", depending on the nuance you want to convey.
Is it appropriate to use "almost certain that" in formal writing?
Yes, "almost certain that" is suitable for formal writing when you need to express a strong belief without claiming absolute certainty. More formal alternatives, such as "highly probable that", could also be considered.
What's the difference between "almost certain that" and "absolutely certain that"?
"Almost certain that" indicates a very high degree of confidence but acknowledges a slight possibility of error. "Absolutely certain that" implies complete and unwavering confidence with no room for doubt. Use "absolutely certain that" only when you have irrefutable proof.
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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