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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
extremely certain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "extremely certain" is correct and usable in written English.
You can use it to express a high level of confidence or assurance about something. Example: "After reviewing all the evidence, I am extremely certain that we made the right decision."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
definitely sure
completely confident
reasonably certain
totally certain
steadfastly believe
fairly confident
vehemently believe
firmly believe
almost certain
perfectly certain
absolutely sure
have no doubt that
am convinced that
genuinely think
utterly certain
highly confident
undeniably sure
entirely certain
strongly believe
resolutely believe
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
6 human-written examples
But one thing is extremely certain: the poor seem to be who God is most concerned about.
News & Media
There's nothing that is extremely certain in the trading market and there are too many external factors which can push the movement of a particular currency.
News & Media
"We are extremely certain that we have the man responsible," Assistant Police Chief Edgardo Garcia said at a Thursday morning press briefing.
News & Media
"Fentanyl is very potent therefore small increases in dose can have significant adverse effects i.e. overdose," she said, noting that a person using liquid fentanyl would have to be extremely certain about the concentration in their particular batch.
News & Media
The 6-point Likert scales were anchored by "extremely doubtful" and "extremely certain".
MC strong intenders were substantially more likely than nonintenders to rate that, if they wanted to get circumcised, they were extremely certain they could get circumcised under each of these six barriers.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
Extremely, a certain amount of LCB degraded to be linear chains again due to the scission approaching the branching point at intense mixing condition.
Science
'I am extremely boring on certain subjects,' she says, a certain glint in her eye.
News & Media
Infants are extremely vulnerable to certain pesticide exposures because they are still developing the ability to produce the enzyme para‐oxonase‐1 (PON1), which detoxifies certain organophosphate pesticides such as chlorpyrifos and diazinon.
In other words, the Iraq war has been "won," but only for certain, extremely odd, definitions of won.
News & Media
"A representation should not be abandoned because the client's legal position is extremely unpopular in certain quarters," Clement wrote in April.
News & Media
Expert writing Tips
Best practice
Use "extremely certain" to convey a very strong degree of confidence, but ensure it aligns with the evidence or justification available. Avoid overusing it if the situation warrants more nuanced language.
Common error
Avoid using "extremely certain" when the situation involves ambiguity or limited information. Instead, opt for phrases like "highly likely" or "probably true" to reflect a more cautious assessment.
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "extremely certain" functions as an adjective phrase intensifying the degree of certainty. As Ludwig AI confirms, it's a correct and usable phrase to express a high level of confidence.
Frequent in
News & Media
40%
Science
30%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
5%
Academia
10%
Ludwig's WRAP-UP
In summary, "extremely certain" is a grammatically sound and useful phrase for expressing a very high degree of confidence. Ludwig AI validates its correctness and indicates that it is used to emphatically convey a strong conviction or belief. It appears most commonly in News & Media, science, and formal business contexts. Though not as frequent as other expressions of certainty, it offers a strong and direct way to communicate assurance. When writing, remember that "extremely certain" should be reserved for situations where there's significant evidence supporting the expressed certainty, which is particularly good advice to avoid overstatement.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
absolutely certain
Uses "absolutely" for strong emphasis.
absolutely sure
Replaces "extremely" with "absolutely", emphasizing complete certainty.
definitely sure
Uses "definitely" to indicate a strong degree of certainty.
completely confident
Substitutes "certain" with "confident", focusing on a feeling of assurance.
highly confident
Replaces "extremely" with "highly" to indicate a strong degree of certainty or assurance.
entirely convinced
Replaces both words with alternatives that highlight a state of full belief.
undeniably sure
Uses "undeniably" to strengthen the certainty being expressed.
positive beyond doubt
Emphasizes the lack of any doubt in the certainty.
firmly convinced
Similar to "completely convinced" but implies a more steadfast belief.
without a doubt
Expresses certainty by negating any possibility of doubt.
FAQs
How can I use "extremely certain" in a sentence?
You can use "extremely certain" to express a high level of confidence about something. For example, "I am "absolutely sure" that I locked the door" or "The scientists are "completely confident" in their findings because all the experiments were repeated three times".
What phrases are similar to "extremely certain"?
Alternatives include "absolutely certain", "completely confident", "entirely convinced", or "positive beyond doubt". The best choice depends on the nuance you want to convey.
When is it appropriate to use "extremely certain"?
Use "extremely certain" when you have a very high degree of confidence and solid evidence to support your belief. It's suitable for situations where ambiguity is minimal.
Is "extremely certain" the same as "virtually certain"?
While both express high confidence, "virtually certain" implies that something is so likely it's practically guaranteed. "Extremely certain" focuses more on your personal conviction, whereas virtually certain can mean that the event is 95-100% probable.
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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
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested