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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

fully certain

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "fully certain" is grammatically correct and can be used in written English.
This phrase means completely sure or without any doubt. You can use it to emphasize the level of certainty in a sentence. Example: The lawyer was fully certain of his client's innocence, even though the evidence against him seemed overwhelming.

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

18 human-written examples

Nobody was allowed to be fully certain about God.

News & Media

The New Yorker

"You're never fully certain because you just don't know the outcome, you can't predict it.

One can never be fully certain how much of Barnaby's energy will be controlled.

But we can never be fully certain - so it must be true.

News & Media

Independent

If the show failed to engage Mr. Cloepfil's "resonate volumes" fully, certain works do resonate on their own.

Fully insured, and fully certain I would soon expire, I visited my primary care physician, who immediately sent me to my neighborhood emergency room at Beth Israel.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

42 human-written examples

Therefore, it is possible that a portion of adolescents may have censored their answers and chose not to fully disclose certain stress and coping strategies when completing certain measures.

Law schools have also hurt themselves badly by failing to fully disclose certain statistics, including their employment rates.

News & Media

The New York Times

Given the march of technology, firms that want to take advantage of hyperspecialization should continually monitor the potential for fully automating certain knowledge work.

Notably, Arctic sea ice is melting more rapidly than the models can explain, suggesting that the simulations aren't fully capturing certain processes.

We may never see the day where the public's wishes fully trump certain ideologies, but as a nation, we can and must advance the conversation about supporting women and the choices they make.

Show more...

Expert writing Tips

Best practice

Use "fully certain" to convey a strong sense of conviction, especially when emphasizing the absence of doubt.

Common error

Avoid using "fully certain" when a more nuanced or conditional statement is appropriate. Overstating certainty can undermine your credibility if the situation is inherently uncertain.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "fully certain" functions as an adjectival phrase, modifying a noun or pronoun to describe a state of complete assuredness. It emphasizes the intensity of the certainty being expressed. As Ludwig AI confirms, the phrase is grammatically sound.

Expression frequency: Common

Frequent in

News & Media

35%

Science

33%

Academia

15%

Less common in

Encyclopedias

4%

Wiki

4%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "fully certain" is a grammatically sound phrase used to express a high degree of conviction. Ludwig AI confirms its correctness and common usage. As evidenced by the examples, it appears frequently in news, scientific, and academic contexts, signifying a neutral to formal register. When using this phrase, be mindful of the strength of the statement and ensure that it aligns with the actual level of certainty, as overstating can undermine credibility. Consider alternatives like "completely sure" or "absolutely certain" to fine-tune the emphasis.

FAQs

How can I use "fully certain" in a sentence?

Use "fully certain" to express a high degree of confidence or conviction about something. For example, "I am fully certain that this is the right course of action".

What are some alternatives to "fully certain"?

You can use alternatives like "completely sure", "absolutely certain", or "entirely convinced" depending on the context.

Is it better to say "I am certain" or "I am fully certain"?

"I am fully certain" emphasizes the completeness of your certainty, making it a stronger statement than simply saying "I am certain". The choice depends on the level of emphasis you want to convey.

What's the difference between "fully certain" and "reasonably certain"?

"Fully certain" implies complete conviction without any doubt, while "reasonably certain" suggests a strong belief based on available evidence, but with a small possibility of error.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: