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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
is not confirmed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is not confirmed" is correct and usable in written English.
It can be used when indicating that something has not been verified or validated yet. Example: "The details of the event are still pending and the schedule is not confirmed."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
has not been verified
remains unproven
is still uncertain
is awaiting confirmation
is unverified
has not been validated
is yet to be substantiated
cannot be verified
is not yet established
is not informed
is not demonstrated
is not determined
is not ascertained
is not determining
is not determination
is not authorized
is not documented
is not shown
is not validated
is not corroborated
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
57 human-written examples
Casting for Broadway is not confirmed.
News & Media
This is not confirmed on the ILO website.
News & Media
Alas, that optimistic conclusion is not confirmed by experiment.
Encyclopedias
"Therefore, the government cannot comment on something that is not confirmed".
News & Media
"The whole schedule is not confirmed," said a spokeswoman from the United States Embassy on Wednesday.
News & Media
The death toll is not confirmed, but there are reports of at least eight people dead.
News & Media
"It is not confirmed yet who did this or why," he added.
News & Media
"It is not confirmed yet as samples need to be analysed".
News & Media
The report that Lenin has succumbed to his wounds is not confirmed.
News & Media
It is not confirmed whether the Taliban have got that U.S. soldier or not".
News & Media
Certainly Pop Art's historical reputation for optimism is not confirmed by Mr. Oldenburg's early output.
News & Media
Expert writing Tips
Best practice
When using "is not confirmed", ensure you provide context regarding what needs confirmation and why it's currently unconfirmed. This adds clarity and credibility to your statement.
Common error
Avoid relying too heavily on passive constructions like "is not confirmed", as it can sometimes obscure the source of uncertainty. Consider restructuring your sentence to highlight who or what needs to confirm the information for clearer communication.
Source & Trust
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not confirmed" functions as a passive construction used to express that a piece of information, a statement, or an event lacks verification or validation. It's commonly used to convey uncertainty or to indicate that something has not been officially endorsed or proven. Ludwig AI indicates that it is a correct and usable phrase.
Frequent in
News & Media
42%
Science
41%
Wiki
5%
Less common in
Formal & Business
3%
Encyclopedias
3%
Reference
0%
Ludwig's WRAP-UP
The phrase "is not confirmed" is a versatile and frequently used expression to denote the absence of verification or validation. Ludwig AI confirms its grammatical correctness. Appearing prominently in News & Media and Scientific contexts, as well as Encyclopedias, it serves to communicate uncertainty or the preliminary nature of information. When employing this phrase, provide context to ensure clarity. Alternatives such as "has not been verified" or "remains unproven" can offer nuanced variations in meaning. Avoiding overuse of passive voice ensures more direct and engaging communication. In essence, "is not confirmed" is a valuable tool for conveying caution and transparency in various forms of writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has not been verified
Changes the verb from 'confirm' to 'verify', emphasizing the need for proof.
is unverified
A more concise way of saying that something lacks verification.
is awaiting confirmation
Implies that confirmation is expected but has not yet arrived.
has not been validated
Emphasizes the absence of formal approval or acceptance.
is uncorroborated
Highlights that there's no supporting evidence from other sources.
is yet to be substantiated
Uses a more formal tone and emphasizes that evidence is still lacking.
remains unproven
Highlights the lack of evidence to support a claim or statement.
cannot be verified
Indicates that verification is impossible, rather than simply not done yet.
is still uncertain
Focuses on the ambiguity and lack of clarity surrounding a topic.
is not yet established
Suggests that something has not been fully determined or agreed upon.
FAQs
What does "is not confirmed" mean?
The phrase "is not confirmed" means that something has not been verified, validated, or proven to be true or accurate. It indicates a state of uncertainty or lack of official endorsement.
When should I use "is not confirmed" in a sentence?
Use "is not confirmed" when you want to express that information is preliminary, unverified, or lacks official support. For example, "The rumor about the company merger "is not confirmed" by official sources."
What are some alternatives to "is not confirmed"?
Alternatives to "is not confirmed" include "has not been verified", "remains unproven", "is still uncertain", or "is awaiting confirmation". Choose the alternative that best fits the specific context.
Is it better to say "is not confirmed" or "has not been confirmed"?
Both "is not confirmed" and "has not been confirmed" are grammatically correct and have similar meanings. "Is not confirmed" is a simpler, more direct way of stating that something lacks confirmation. "Has not been confirmed" adds a sense of duration, implying that confirmation has not occurred up to the present time. The choice depends on the nuance you wish to convey.
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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
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested