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
line of inquiries
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "line of inquiries" is correct and usable in written English.
It can be used when referring to a series of questions or investigations related to a specific topic or issue. Example: "The detective followed a line of inquiries that led him to uncover new evidence in the case."
✓ Grammatically correct
News & Media
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
1 human-written examples
Mr Wormald's report is the latest in a long line of inquiries into the "Trojan Horse" affair which stemmed from a letter outlining plans for hard-line Islamists to take over the running of schools.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
What will your line of inquiry be?
News & Media
Which begs a line of inquiry, perhaps?
News & Media
He disdained this line of inquiry.
News & Media
He concludes that this line of inquiry should be worthwhile.
News & Media
Vengeful drug dealers are another line of inquiry.
News & Media
One line of inquiry studies its effects in the lab.
News & Media
But the report doesn't push this line of inquiry.
News & Media
Why did Harris pursue this line of inquiry?
News & Media
At Yale, the line of inquiry was markedly different.
News & Media
One line of inquiry focused on automated trading systems.
News & Media
Expert writing Tips
Best practice
When using "line of inquiries", ensure that the context clearly indicates that you are referring to a series of related investigations or questions. Consider whether a more specific term like "series of investigations" or "avenue of investigation" might be more appropriate.
Common error
Avoid using "line of inquiries" when you only refer to a single inquiry or a disconnected set of questions. The phrase implies a logical connection and progression between the inquiries.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "line of inquiries" functions as a noun phrase, typically serving as the subject or object of a sentence. It refers to a series of related investigations or questions aimed at uncovering information or resolving a problem. Ludwig shows that this phrase is often used in contexts involving formal investigations or detailed examinations.
Frequent in
News & Media
100%
Science
0%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "line of inquiries" is a noun phrase referring to a related series of investigations or questions. As Ludwig points out, the phrase is grammatically correct but relatively rare. Its primary function is to describe a systematic approach to information gathering, often in formal or investigative contexts. While Ludwig examples are primarily from news and media sources, indicating a neutral to slightly formal register, it’s crucial to ensure that the context warrants the implication of interconnectedness between the inquiries. Consider alternatives like "series of investigations" or "avenue of investigation" for greater specificity where appropriate. Ludwig AI confirms the correctness of the phrase.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
series of investigations
Focuses on the investigative aspect rather than the questioning.
avenue of investigation
Emphasizes a specific path or direction within an investigation.
course of investigation
Highlights the progression and development of an investigation.
set of questions
Simplifies the phrase to focus solely on the questioning aspect.
string of queries
Uses "queries" as a synonym for "inquiries", suggesting a sequence.
succession of interrogations
Implies a more formal and possibly aggressive form of questioning.
round of questioning
Suggests a specific session or instance of questioning.
chain of questioning
Emphasizes the interconnectedness and sequential nature of the questions.
investigative path
Focuses on the direction the investigation takes.
research direction
Frames the inquiries within a research context, suitable for academic or scientific investigations.
FAQs
How can I use "line of inquiries" in a sentence?
You can use "line of inquiries" to describe a series of related investigations or questions. For example, "The detective pursued a line of inquiries that ultimately revealed the truth."
What's a good alternative to "line of inquiries"?
Depending on the context, you could use alternatives like "series of investigations", "avenue of investigation", or "research direction".
Is "line of inquiry" or "line of inquiries" more correct?
"Line of inquiry" refers to a single path or method of investigation, while "line of inquiries" suggests multiple related investigations or questions. The choice depends on whether you're discussing one or several connected investigations.
When should I use "line of investigation" instead of "line of inquiries"?
Use "line of investigation" when referring to a single, focused approach to solving a problem. Use "line of inquiries" when referring to multiple related questions or investigations designed to explore different facets of a topic. "Line of investigation" suggests a specific path, whereas the plural form implies multiple avenues.
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested