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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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certainly certain

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "certainly certain" is correct and usable in written English.
It can be used to emphasize a strong assurance or confidence in a statement or belief. Example: "After reviewing all the evidence, I am certainly certain that our approach will succeed."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

I think you can see progress in Western countries in terms of, certainly, certain classes of women's aspirations having been struggled with.

There should be competition and exchanges between different countries, but there are certainly certain universal values and that is freedom and democracy.

News & Media

Huffington Post

Certainly, certain prehospital systems that function in the ALS model function extremely efficiently.

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Certainly, Practically Certain (99 in 100); Almost Sure (9 in 10); Very Probably (8 in 10); Probably (7 in 10); Good Possibility (6 in 10); Fairly Good Possibility (5 in 10); Fair Possibility (4 in 10); Some Possibility (3 in 10); Slight Possibility (2 in 10); Very Slight Possibility (1 in 10); No Chance, Almost No Chance (1 in 100).

Science

SERIEs

As for Pollock, he could be brutal but was certainly less certain when confronted with quality spin.

Asked whether the military was considering bases inside the United States as detention centers for the mounting number of prisoners from the war, the secretary said, "Certainly for certain types of detainees, yes".

News & Media

The New York Times

Culture is really about the richness of that fabric, and it seems to me that in this fire enough was lost, certainly by certain people, that the fabric of that record, of that continuity, is lost.

Assuming I still have a lot of money by the time I retire which is certainly no certain thing I will give away well over 90% of it since I dont believe in kids having too much money.

News & Media

The New Yorker

Autocorrect support for multiple languages does sound like a very handy feature — certainly for certain European countries, and particular demographics in the U.S. "In Switzerland, we speak three languages plus English.

News & Media

TechCrunch

And we can certainly trust certain comparative judgments: even if we are almost completely ignorant of how to correct for the altitude change, if the reading falls fast consistently for an hour, we can safely infer that a low pressure front is moving in.

Science

SEP

It certainly encourages certain things". .

News & Media

Vice
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Expert writing Tips

Best practice

Consider using "certainly certain" when addressing potential skepticism or doubt. The repetition emphasizes your conviction.

Common error

Avoid using "certainly certain" excessively, as it can sound repetitive or unnatural. Instead, vary your language with synonyms like "absolutely sure" or "undoubtedly certain" to maintain a more sophisticated tone.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "certainly certain" functions as an intensifier, emphasizing the speaker's or writer's conviction. It reinforces the adjective "certain" with the adverb "certainly". Ludwig AI confirms its usability in written English, as evidenced by the examples provided.

Expression frequency: Uncommon

Frequent in

News & Media

56%

Science

29%

Wiki

3%

Less common in

Formal & Business

0%

Encyclopedias

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "certainly certain" is a grammatically correct intensifier used to emphasize conviction. While not as common as its alternatives, it serves to eliminate any doubt in a statement. As Ludwig AI confirms, this phrase is usable in English and appears in sources like The New York Times and The Guardian. Use it sparingly to avoid redundancy, and consider varying your language with synonyms like "absolutely sure" or "undoubtedly certain" for stylistic variation.

FAQs

How can I effectively use "certainly certain" in a sentence?

Use "certainly certain" to emphasize a point where you want to leave no room for doubt. For example, "After reviewing all the data, I am "certainly certain" that our hypothesis is correct."

What are some alternatives to "certainly certain"?

Alternatives include "absolutely certain", "undoubtedly sure", or "definitely convinced". The best choice depends on the specific context and desired tone.

Is it grammatically correct to use "certainly certain"?

Yes, the phrase "certainly certain" is grammatically correct, although it is somewhat redundant. It's used for emphasis, indicating a high degree of confidence.

In what contexts is "certainly certain" most appropriate?

The phrase "certainly certain" is most appropriate in situations where you want to strongly assert your belief or conviction, such as in persuasive writing or when clarifying a possibly misunderstood point.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: