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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
be fully confident of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be fully confident of" is correct and usable in written English.
You can use it when expressing a strong belief or assurance about something. Example: "I want you to be fully confident of your abilities as you prepare for the presentation."
✓ 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
4 human-written examples
Mauricio Pochettino's young and energetic Tottenham side should be fully confident of reaching the knockout stage.
News & Media
He just needs to hold it together on the night and be fully confident of pulling off the win.
News & Media
Gleevec seems to be a smash hit, although so far it has been proved to work only on two comparatively rare cancers, and experts caution it has been in use far too short a time to be fully confident of its longer term usefulness.
News & Media
"It does seem reasonable to look for patterns in past events and try to figure out if they might recur, but in general, we don't have enough of a history to be fully confident of our success".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
They did not want trading to start until they were fully confident of their ability to serve their customers and defend proprietary positions in the market.
News & Media
Frederick P. Hafetz, a lawyer for Mr. Seeger, said that his client "has done nothing illegal," adding, "We are fully confident of his vindication".
News & Media
"We proved we can beat the best against the Kiwis last year and are fully confident of doing the same to the Aussies.
News & Media
It does not speak highly of the next generation, however optimistically the West Indies Cricket Board says it is "fully confident" of being the top ranked side in one form or another by 2020.
News & Media
He told BBC Radio Sheffield: "I'd like to say I'm fully confident of being back next season but I'm not in a position to do so at present.
News & Media
I am fully confident of the federal judiciary's ability to conduct such trials and for our prison system to securely confine those found guilty.
News & Media
Being fully confident of having minimised undisclosed multiple publications would take some time.
Science
Expert writing Tips
Best practice
When using "be fully confident of", ensure that the object of your confidence is clearly defined. This helps avoid ambiguity and strengthens the message.
Common error
Avoid using "be fully confident of" when the situation warrants skepticism or caution. Overstating confidence can undermine credibility if the outcome is uncertain.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be fully confident of" functions as an adjective phrase followed by a preposition, expressing a state of strong assurance or certainty regarding a particular outcome, ability, or situation. Ludwig confirms that this is grammatically correct.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
2%
Social Media
3%
Ludwig's WRAP-UP
The phrase "be fully confident of" is a way to express a strong belief or assurance. While Ludwig confirms its grammatical correctness, it's relatively rare. Predominantly found in News & Media and Science contexts, the phrase conveys a neutral tone, as shown in examples from authoritative sources such as The New York Times and BBC. Alternatives like "be completely certain of" or "be absolutely sure of" offer similar expressions of certainty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
be completely certain of
Indicates a complete absence of doubt, similar to being fully confident but emphasizes certainty.
be absolutely sure of
Emphasizes sureness and conviction, conveying a strong belief in something.
have no doubt about
Expresses a lack of uncertainty, focusing on the absence of doubt.
feel certain about
Conveys a feeling of certainty, highlighting the emotional aspect of confidence.
be convinced of
Indicates a state of being persuaded or assured, often through evidence or reasoning.
believe strongly in
Focuses on a strong belief or conviction, emphasizing the strength of the belief.
be optimistic about
Expresses a positive outlook and expectation of a favorable outcome.
anticipate with assurance
Highlights the expectation of something with a degree of certainty and anticipation.
rely upon with certainty
Suggests a dependable trust in something, emphasizing reliability and assurance.
trust implicitly in
Indicates a complete and unquestioning trust, highlighting the depth of trust.
FAQs
How can I use "be fully confident of" in a sentence?
You can use "be fully confident of" to express a strong belief or assurance about something. For example, "I want you to "be fully confident of" your abilities as you prepare for the presentation."
What can I say instead of "be fully confident of"?
You can use alternatives like "be completely certain of", "be absolutely sure of", or "have no doubt about" depending on the context.
Is it better to say "be fully confident of" or "have full confidence in"?
Both ""be fully confident of"" and "have full confidence in" are correct, but "have full confidence in" may be more common. The choice depends on the specific nuance you want to convey.
What's the difference between "be fully confident of" and "be optimistic about"?
"Be fully confident of" implies a stronger sense of assurance based on perceived abilities or evidence, while "be optimistic about" suggests a hopeful outlook, even in the absence of concrete evidence.
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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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested