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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
has not been specified
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has not been specified" is correct and usable in written English.
It can be used when indicating that certain details or information have not been provided or clarified. Example: "The deadline for the project has not been specified, so please check back for updates."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
has not been indicated
remains undefined
is not specified
is not clearly defined
is yet to be determined
is not yet known
is still pending
remains to be seen
has not been determined
has not been approved
has not been disrupted
has not been named
has not been caught
has not been elected
has not been questioned
has not been rehired
has not been indicted
has not been solved
has not been answered
has not been labeled
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
40 human-written examples
But it has not been specified.
News & Media
The file on Berry notes that she gave a speech as "the Green mayoral candidate" at 10am at an event that has not been specified.
News & Media
The state passed new rules in May that called for discounts, though the amount of the discount has not been specified, said Debra Korta a spokeswoman for the Connecticut Department of Insurance.
News & Media
Formula One, football and cricket have been blighted by cheating claims in recent months and rugby union, says the RFU, has to rediscover its core values, although what these are has not been specified.
News & Media
Stuart Harness, 33, of Grimsby, and Gavin Humphries, 37, whose address has not been specified, were arrested in connection with the incident and will appear at Grimsby Magistrates Courtthisis morning.
News & Media
But a sealed warrant issued by the United States attorney's office in Connecticut at a time that has not been specified sought the extradition of Mr. Ahmed, 30, on unspecified charges in connection with his role in using American Web sites and e-mail to solicit money from Americans for terrorist causes from 1998 to last year.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
19 human-written examples
However, it hasn't been specified whether or not those microSDs will be available for the Olympics or are just another cool thing coming down the pipeline.
News & Media
It hasn't been specified what song the Eurythmics will sing.
News & Media
Penalties have not been specified.
News & Media
Their ages have not been specified.
News & Media
EMI is obligated to make several Gheorghiu recordings, but the programs have not been specified.
News & Media
Expert writing Tips
Best practice
When using "has not been specified", ensure that the context clearly indicates what information is missing or undefined. This will prevent ambiguity and improve clarity for the reader.
Common error
Avoid using "has not been specified" in sentences where the lack of specification is already implied. For instance, instead of saying "The details, which have not been specified, are important", simply state "The unspecified details are important."
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has not been specified" functions as a verbal phrase indicating that certain information or details have not been explicitly stated or defined. Ludwig AI confirms its correct usage across diverse contexts.
Frequent in
Science
46%
News & Media
44%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "has not been specified" is a versatile and grammatically sound expression used to indicate a lack of explicit details or information. As confirmed by Ludwig AI, it is frequently employed in both scientific and news-related contexts, maintaining a neutral register suitable for a broad audience. When using this phrase, ensuring contextual clarity is key to avoid ambiguity. Alternative expressions like "remains undefined" or "is not clearly defined" can provide nuanced variations in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has not been indicated
Suggests that something has not been pointed out or signaled explicitly.
has not been clarified
Suggests that further explanation or clarification is needed to understand something fully.
is not explicitly stated
Indicates that something is implied but not directly expressed in a statement or document.
remains undefined
Emphasizes the lack of definition or clarity regarding a particular aspect.
is not clearly defined
Indicates a lack of precision or distinctness in the definition of something.
is yet to be determined
Highlights that the determination of something is pending or will occur in the future.
is not yet known
Focuses on the absence of knowledge or awareness about a particular fact or detail.
is still pending
Emphasizes that a decision or resolution is awaiting action or completion.
is left unsaid
Implies that something has been intentionally or unintentionally omitted from a discussion or statement.
remains to be seen
Highlights the uncertainty and future resolution of a particular outcome or event.
FAQs
How can I use "has not been specified" in a sentence?
You can use "has not been specified" to indicate that certain information or details are missing or have not been defined. For example, "The exact date "has not been specified" yet, but we expect it to be next month."
What is a formal alternative to "has not been specified"?
A more formal alternative could be "has not been delineated" or "remains undefined", depending on the specific context.
Which is correct, "has not been specified" or "was not specified"?
"Has not been specified" indicates a present state resulting from a past action (or lack thereof), while "was not specified" refers to a specific point in the past when something wasn't specified. The correct choice depends on the context. For instance: "The deadline "has not been specified", so we still don't know when it is" versus "The deadline was not specified in the initial announcement".
What's the difference between "has not been specified" and "is not specified"?
"Has not been specified" implies that there was an expectation or opportunity for something to be specified, but it wasn't. "Is not specified" is a more general statement indicating a lack of specification without necessarily implying a prior expectation.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested