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
further investigation
Grammar usage guide and real-world examplesUSAGE SUMMARY
'further investigation' is a correct and usable expression in written English.
You can use it when you are discussing a situation that requires further exploration. For example: "Further investigation is needed to determine the cause of the accident."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
additional inquiry
deeper analysis
detailed examination
Further investigation
follow-up study
in-depth probe
thorough scrutiny
extended research
expanded inquiry
greater investigation
deeper investigation
further inquiring
further probing
further enquiries
further probe
extended investigation
further inquiry
supplementary investigation
subsequent investigation
further investigations
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
60 human-written examples
Worth further investigation?
News & Media
"His statement needs further investigation".
News & Media
Carmichael faces a further investigation.
News & Media
It referred 109 educators for further investigation.
News & Media
It is a matter of further investigation".
News & Media
The prosecution says further investigation is required.
News & Media
He has been jailed pending further investigation.
News & Media
The preliminary charges allow for further investigation.
News & Media
Further investigation is needed.
Science
This merits further investigation.
This needs further investigation.
Science
Expert writing Tips
Best practice
When using "further investigation", clearly define the scope and objectives of the investigation to ensure it remains focused and productive.
Common error
Avoid using "further investigation" without specifying what aspects require more scrutiny. Instead of saying 'This warrants further investigation', clarify with 'This warrants further investigation into the specific causes of the decline'.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "further investigation" functions primarily as a noun phrase. It typically acts as the subject or object of a verb, indicating the need for additional inquiry or scrutiny, as seen in Ludwig's examples like "This merits further investigation" or "The prosecution says further investigation is required."
Frequent in
Science
54%
News & Media
39%
Formal & Business
4%
Less common in
Academia
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "further investigation" is a grammatically correct and very commonly used noun phrase that highlights the need for more inquiry. According to Ludwig AI, it's a perfectly valid expression. It is frequently found in both scientific and news media contexts, indicating its broad applicability. When using the phrase, it's crucial to define the scope of investigation to avoid vagueness. Consider alternatives like "additional inquiry" or "deeper analysis" depending on the specific context. Overall, "further investigation" is a reliable and effective way to express the need for more information.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
additional inquiry
Focuses on the act of questioning and seeking information, making it slightly more direct than "further investigation".
deeper analysis
Emphasizes a more thorough and profound examination of the subject matter, suggesting a more academic or scientific approach.
detailed examination
Highlights the thoroughness and comprehensiveness of the investigation.
follow-up study
Implies a continuation of a previous study or investigation, making it suitable for academic or research contexts.
in-depth probe
Suggests a more intrusive or penetrating investigation, often used in journalistic or legal contexts.
thorough scrutiny
Emphasizes careful and critical examination, often used in contexts where evaluation and judgment are important.
extended research
Focuses on the research aspect of the investigation, suggesting a more scientific or academic approach.
expanded inquiry
Indicates a broadening of the scope of the investigation, covering more aspects or areas.
continued assessment
Highlights the ongoing nature of the evaluation, making it suitable for situations requiring monitoring or tracking.
subsequent inquiry
Emphasizes that the investigation follows a previous event or action.
FAQs
How can I use "further investigation" in a sentence?
You can use "further investigation" to indicate that more inquiry is needed. For example, "The cause of the error is unknown and requires "further investigation"".
What are some alternatives to "further investigation"?
You can use alternatives like "additional inquiry", "deeper analysis", or "detailed examination" depending on the context.
Is it redundant to say "conduct a further investigation"?
While "conduct a further investigation" isn't strictly redundant, it can often be simplified to "investigate further" or ""further investigation" is needed" for conciseness.
What's the difference between "further investigation" and "follow-up study"?
"Further investigation" is a general term for additional inquiry, while "follow-up study" specifically refers to a study that continues or expands upon previous research.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested