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
CEO of Professional Science Editing for Scientists @ prosciediting.com
is confidential
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is confidential" is correct and usable in written English.
It can be used to indicate that certain information is private and should not be shared with unauthorized individuals. Example: "The information contained in this document is confidential and should not be disclosed to anyone outside the organization."
✓ Grammatically correct
News & Media
Science
Wiki
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
59 human-written examples
Not all information is confidential, however, and there are exceptions to the general rule of confidentiality.
Wiki
Its work is confidential".
News & Media
That is confidential.
News & Media
The settlement is confidential".
News & Media
The service is confidential.
News & Media
Rupert Murdoch said that is "confidential".
News & Media
Her manner is confidential and artless.
News & Media
I say confidential is confidential.
News & Media
It is confidential and private".
News & Media
The process behind this is "confidential".
News & Media
"None of this stuff is confidential," Mr. Maier said.
News & Media
Expert writing Tips
Best practice
When handling sensitive information, always explicitly state that it "is confidential" to ensure that all parties understand its protected status.
Common error
Do not assume information is confidential without explicitly stating it. Clearly label documents and communications containing sensitive information to prevent accidental disclosure.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is confidential" functions primarily as a predicate adjective. This means it describes the state or condition of a noun or pronoun, indicating that something is to be kept private or secret. Ludwig confirms its widespread use in various contexts.
Frequent in
News & Media
37%
Science
35%
Wiki
14%
Less common in
Formal & Business
14%
Ludwig's WRAP-UP
In summary, the phrase "is confidential" is a frequently used and grammatically correct expression that functions as a predicate adjective. According to Ludwig AI, it serves to emphasize the private nature of information and is employed in various professional, news-related, and even general contexts. Its pervasive use across reputable sources like The Guardian, The New York Times, and BBC indicates its importance in clearly communicating that information should not be disclosed. Remember to use the phrase explicitly when you want to state the private and protected nature of something.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
must be kept secret
Stresses the obligation to maintain confidentiality.
remains private
Emphasizes the continuation of a state of privacy, slightly more formal.
should not be disclosed
Highlights the importance of not revealing the information, more formal.
is closely guarded
Emphasizes the care taken to protect the secrecy of the information.
is classified
Implies a formal designation of secrecy, often by an authority.
is privileged
Implies a legal or ethical protection of confidentiality.
is restricted
Highlights limited access rather than absolute secrecy.
is off the record
Indicates that the information should not be formally recorded or reported.
is not public
Simply states that the information is not available to the general public.
is under wraps
Suggests that the information is being actively concealed.
FAQs
How do you use "is confidential" in a sentence?
The phrase "is confidential" indicates that something should be kept private. For example: "The settlement amount "is confidential"."
What is a good synonym for "is confidential"?
A suitable synonym for "is confidential" depends on the context. Alternatives include "remains private", "is classified", or "is restricted".
When should I use the phrase "is confidential"?
Use "is confidential" when you want to explicitly state that certain information should not be shared with unauthorized individuals. It's appropriate in both formal and informal settings where privacy is important.
What's the difference between "is confidential" and "is secret"?
"Is confidential" typically implies a specific agreement or understanding about privacy, often within a professional or legal context. "Is secret" is broader and can refer to anything intentionally hidden, regardless of context. While similar, "is confidential" suggests authorized parties know the secret.
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.
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